- 10 5月, 2007 1 次提交
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由 Andrew Morton 提交于
Remove an inexplicable / Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 09 5月, 2007 1 次提交
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由 Randy Dunlap 提交于
Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 08 5月, 2007 3 次提交
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由 Rafael J. Wysocki 提交于
Make swsusp call create_basic_memory_bitmaps() before processes are frozen, so that GFP_KERNEL allocations can be made in it. Additionally, ensure that the swsusp's userland interface won't be used while either pm_suspend_disk() or software_resume() is being executed. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and free pages. This allows us to 'recycle' two page flags that can be used for other purposes. Also, the memory needed to store the bitmaps is allocated when necessary (ie. before the suspend) and freed after the resume which is more reasonable. The patch is designed to minimize the amount of changes and there are some nice simplifications and optimizations possible on top of it. I am going to implement them separately in the future. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Rafael J. Wysocki 提交于
Replace direct invocations of SetPageNosave(), SetPageNosaveFree() etc. with calls to inline functions that can be changed in subsequent patches without modifying the code calling them. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 03 5月, 2007 1 次提交
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由 Vivek Goyal 提交于
o __pa() should be used only on kernel linearly mapped virtual addresses and not on kernel text and data addresses. o Hibernation code needs to determine the physical address associated with kernel symbol to mark a section boundary which contains pages which don't have to be saved and restored during hibernate/resume operation. o Move this piece of code in arch dependent section. So that architectures which don't have kernel text/data mapped into kernel linearly mapped region can come up with their own ways of determining physical addresses associated with a kernel text. Signed-off-by: NVivek Goyal <vgoyal@in.ibm.com> Signed-off-by: NAndi Kleen <ak@suse.de>
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- 12 2月, 2007 1 次提交
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由 Christoph Lameter 提交于
This is again simplifies some of the VM counter calculations through the use of the ZVC consolidated counters. [michal.k.k.piotrowski@gmail.com: build fix] Signed-off-by: NChristoph Lameter <clameter@sgi.com> Signed-off-by: NMichal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 08 12月, 2006 3 次提交
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由 Rafael J. Wysocki 提交于
Move all labels in the swsusp code to the second column, so that they won't fool diff -p. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Nigel Cunningham <nigel@suspend2.net> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Fix coding style in suspend.c. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: Nigel Cunningham <nigel@suspend2.net> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Currently swsusp saves the contents of highmem pages by copying them to the normal zone which is quite inefficient (eg. it requires two normal pages to be used for saving one highmem page). This may be improved by using highmem for saving the contents of saveable highmem pages. Namely, during the suspend phase of the suspend-resume cycle we try to allocate as many free highmem pages as there are saveable highmem pages. If there are not enough highmem image pages to store the contents of all of the saveable highmem pages, some of them will be stored in the "normal" memory. Next, we allocate as many free "normal" pages as needed to store the (remaining) image data. We use a memory bitmap to mark the allocated free pages (ie. highmem as well as "normal" image pages). Now, we use another memory bitmap to mark all of the saveable pages (highmem as well as "normal") and the contents of the saveable pages are copied into the image pages. Then, the second bitmap is used to save the pfns corresponding to the saveable pages and the first one is used to save their data. During the resume phase the pfns of the pages that were saveable during the suspend are loaded from the image and used to mark the "unsafe" page frames. Next, we try to allocate as many free highmem page frames as to load all of the image data that had been in the highmem before the suspend and we allocate so many free "normal" page frames that the total number of allocated free pages (highmem and "normal") is equal to the size of the image. While doing this we have to make sure that there will be some extra free "normal" and "safe" page frames for two lists of PBEs constructed later. Now, the image data are loaded, if possible, into their "original" page frames. The image data that cannot be written into their "original" page frames are loaded into "safe" page frames and their "original" kernel virtual addresses, as well as the addresses of the "safe" pages containing their copies, are stored in one of two lists of PBEs. One list of PBEs is for the copies of "normal" suspend pages (ie. "normal" pages that were saveable during the suspend) and it is used in the same way as previously (ie. by the architecture-dependent parts of swsusp). The other list of PBEs is for the copies of highmem suspend pages. The pages in this list are restored (in a reversible way) right before the arch-dependent code is called. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 02 10月, 2006 1 次提交
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由 Serge E. Hallyn 提交于
In some places, particularly drivers and __init code, the init utsns is the appropriate one to use. This patch replaces those with a the init_utsname helper. Changes: Removed several uses of init_utsname(). Hope I picked all the right ones in net/ipv4/ipconfig.c. These are now changed to utsname() (the per-process namespace utsname) in the previous patch (2/7) [akpm@osdl.org: CIFS fix] Signed-off-by: NSerge E. Hallyn <serue@us.ibm.com> Cc: Kirill Korotaev <dev@openvz.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Herbert Poetzl <herbert@13thfloor.at> Cc: Andrey Savochkin <saw@sw.ru> Cc: Serge Hallyn <serue@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 26 9月, 2006 10 次提交
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由 Rafael J. Wysocki 提交于
Make swsusp use memory bitmaps to store its internal information during the resume phase of the suspend-resume cycle. If the pfns of saveable pages are saved during the suspend phase instead of the kernel virtual addresses of these pages, we can use them during the resume phase directly to set the corresponding bits in a memory bitmap. Then, this bitmap is used to mark the page frames corresponding to the pages that were saveable before the suspend (aka "unsafe" page frames). Next, we allocate as many page frames as needed to store the entire suspend image and make sure that there will be some extra free "safe" page frames for the list of PBEs constructed later. Subsequently, the image is loaded and, if possible, the data loaded from it are written into their "original" page frames (ie. the ones they had occupied before the suspend). The image data that cannot be written into their "original" page frames are loaded into "safe" page frames and their "original" kernel virtual addresses, as well as the addresses of the "safe" pages containing their copies, are stored in a list of PBEs. Finally, the list of PBEs is used to copy the remaining image data into their "original" page frames (this is done atomically, by the architecture-dependent parts of swsusp). Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Introduce the memory bitmap data structure and make swsusp use in the suspend phase. The current swsusp's internal data structure is not very efficient from the memory usage point of view, so it seems reasonable to replace it with a data structure that will require less memory, such as a pair of bitmaps. The idea is to use bitmaps that may be allocated as sets of individual pages, so that we can avoid making allocations of order greater than 0. For this reason the memory bitmap structure consists of several linked lists of objects that contain pointers to memory pages with the actual bitmap data. Still, for a typical system all of these lists fit in a single page, so it's reasonable to introduce an additional mechanism allowing us to allocate all of them efficiently without sacrificing the generality of the design. This is done with the help of the chain_allocator structure and associated functions. We need to use two memory bitmaps during the suspend phase of the suspend-resume cycle. One of them is necessary for marking the saveable pages, and the second is used to mark the pages in which to store the copies of them (aka image pages). First, the bitmaps are created and we allocate as many image pages as needed (the corresponding bits in the second bitmap are set as soon as the pages are allocated). Second, the bits corresponding to the saveable pages are set in the first bitmap and the saveable pages are copied to the image pages. Finally, the first bitmap is used to save the kernel virtual addresses of the saveable pages and the second one is used to save the contents of the image pages. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Introduce some constants that hopefully will help improve the readability of code in kernel/power/snapshot.c. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
The name of the pagedir_nosave variable does not make sense any more, so it seems reasonable to change it to something more meaningful. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Get rid of the FIXME in kernel/power/snapshot.c#alloc_pagedir() and simplify the functions called by it. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Move some functions in kernel/power/snapshot.c to a better place (in the same file) and introduce free_image_page() (will be necessary in the future). Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Clean up mm/page_alloc.c#mark_free_pages() and make it avoid clearing PageNosaveFree for PageNosave pages. This allows us to get rid of an ugly hack in kernel/power/snapshot.c#copy_data_pages(). Additionally, the page-copying loop in copy_data_pages() is moved to an inline function. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Add comments describing struct snapshot_handle and its members, change the confusing name of its member 'page' to 'cur'. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Clean up some loops over pfns for each zone in snapshot.c: reduce the number of additions to perform, rework detection of saveable pages and make the code a bit less difficult to understand, hopefully. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Andrew Morton 提交于
Implement async reads for swsusp resuming. Crufty old PIII testbox: 15.7 MB/s -> 20.3 MB/s Sony Vaio: 14.6 MB/s -> 33.3 MB/s I didn't implement the post-resume bio_set_pages_dirty(). I don't really understand why resume needs to run set_page_dirty() against these pages. It might be a worry that this code modifies PG_Uptodate, PG_Error and PG_Locked against the image pages. Can this possibly affect the resumed-into kernel? Hopefully not, if we're atomically restoring its mem_map? Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Jens Axboe <axboe@suse.de> Cc: Laurent Riffard <laurent.riffard@free.fr> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 11 7月, 2006 1 次提交
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由 Rafael J. Wysocki 提交于
swsusp should not use memcpy for snapshotting memory, because on some architectures memcpy may increase preempt_count (i386 does this when CONFIG_X86_USE_3DNOW is set). Then, as a result, wrong value of preempt_count is stored in the image. Replace memcpy in copy_data_pages with an open-coded loop. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 26 6月, 2006 1 次提交
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由 Linus Torvalds 提交于
This reverts commits 3e3318de [PATCH] swsusp: x86_64 mark special saveable/unsaveable pages b6370d96 [PATCH] swsusp: i386 mark special saveable/unsaveable pages ce4ab001 [PATCH] swsusp: add architecture special saveable pages support because not only do they apparently cause page faults on x86, the infrastructure doesn't compile on powerpc. Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 23 6月, 2006 3 次提交
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由 Rafael J. Wysocki 提交于
Make swsusp allocate only as much memory as needed to store the image data and metadata during resume. Without this patch swsusp additionally allocates many page frames that will conflict with the "original" locations of the image data and are considered as "unsafe", treating them as "eaten" pages (ie. allocated but unusable). The patch makes swsusp allocate as many pages as it'll need to store the data read from the image in one shot, creating a list of allocated "safe" pages, and use the observation that all pages allocated by it are marked with the PG_nosave and PG_nosave_free flags set. Namely, when it's about to load an image page, swsusp can check whether the page frame corresponding to the "original" location of this page has been allocated (ie. if the page frame has the PG_nosave and PG_nosave_free flags set) and if so, it can load the page directly into this page frame. Otherwise it uses an allocated "safe" page from the list to store the data that will be copied to their "original" location later on. This allows us to save many page copyings and page allocations during resume and in the future it may allow us to load images greater than 50% of the normal zone. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: N"Pavel Machek" <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Adrian Bunk 提交于
- make needlessly global functions static - make dummy functions static inline Signed-off-by: NAdrian Bunk <bunk@stusta.de> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Shaohua Li 提交于
1. Add architecture specific pages save/restore support. Next two patches will use this to save/restore 'ACPI NVS' pages. 2. Allow reserved pages 'nosave'. This could avoid save/restore BIOS reserved pages. Signed-off-by: NShaohua Li <shaohua.li@intel.com> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Nigel Cunningham <nigel@suspend2.net> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 20 4月, 2006 1 次提交
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由 Rafael J. Wysocki 提交于
The function free_pagedir() used by swsusp for freeing its internal data structures clears the PG_nosave and PG_nosave_free flags for each page being freed. However, during resume PG_nosave_free set means that the page in question is "unsafe" (ie. it will be overwritten in the process of restoring the saved system state from the image), so it should not be used for the image data. Therefore free_pagedir() should not clear PG_nosave_free if it's called during resume (otherwise "unsafe" pages freed by it may be used for storing the image data and the data may get corrupted later on). Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 23 3月, 2006 4 次提交
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由 Shaohua Li 提交于
Highmem could be in pcp list as well. Signed-off-by: Shaohua Li<shaohua.li@intel.com> Acked-by: NPavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Pavel Machek 提交于
Combination of printk/pr_debug led to <7> in the middle of the line, and we printed way too many dots. Signed-off-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
This patch introduces a user space interface for swsusp. The interface is based on a special character device, called the snapshot device, that allows user space processes to perform suspend and resume-related operations with the help of some ioctls and the read()/write() functions. Additionally it allows these processes to allocate free swap pages from a selected swap partition, called the resume partition, so that they know which sectors of the resume partition are available to them. The interface uses the same low-level system memory snapshot-handling functions that are used by the built-it swap-writing/reading code of swsusp. The interface documentation is included in the patch. The patch assumes that the major and minor numbers of the snapshot device will be 10 (ie. misc device) and 231, the registration of which has already been requested. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
Introduce the low level interface that can be used for handling the snapshot of the system memory by the in-kernel swap-writing/reading code of swsusp and the userland interface code (to be introduced shortly). Also change the way in which swsusp records the allocated swap pages and, consequently, simplifies the in-kernel swap-writing/reading code (this is necessary for the userland interface too). To this end, it introduces two helper functions in mm/swapfile.c, so that the swsusp code does not refer directly to the swap internals. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NAdrian Bunk <bunk@stusta.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 16 2月, 2006 1 次提交
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由 Andrew Morton 提交于
I get about 88 squillion of these when suspending an old ad450nx server. Cc: Pavel Roskin <proski@gnu.org> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 07 1月, 2006 3 次提交
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由 Rafael J. Wysocki 提交于
This patch fixes a problem with the function enough_free_mem() used by swsusp to verify if there is a sufficient number of memory pages available to it to create and save the suspend image. Namely, enough_free_mem() uses nr_free_pages() to obtain the number of free memory pages, which is incorrect, because this function returns the total number of free pages, including free highmem pages, and the highmem pages cannot be used by swsusp for storing the image data. The patch makes enough_free_mem() avoid counting the free highmem pages as available to swsusp. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
This patch makes swsusp free only as much memory as needed to complete the suspend and not as much as possible. In the most of cases this should speed up the suspend and make the system much more responsive after resume, especially if a GUI (eg. X Windows) is used. If needed, the old behavior (ie to free as much memory as possible during suspend) can be restored by unsetting FAST_FREE in power.h Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
This patch introduces the swap map structure that can be used by swsusp for keeping tracks of data pages written to the swap. The structure itself is described in a comment within the patch. The overall idea is to reduce the amount of metadata written to the swap and to write and read the image pages sequentially, in a file-alike way. This makes the swap-handling part of swsusp fairly independent of its snapshot-handling part and will hopefully allow us to completely separate these two parts in the future. This patch is needed to remove the suspend image size limit imposed by the limited size of the swsusp_info structure, which is essential for x86-64 systems with more than 512 MB of RAM. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 09 11月, 2005 3 次提交
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由 Rafael J. Wysocki 提交于
This patch makes only the functions in swsusp.c call functions in snapshot.c and not both ways. It also moves the check for available swap out of swsusp_suspend() which is necessary for separating the swap-handling functions in swsusp from the core code. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
This patch simplifies the relocation of the page backup list (aka pagedir) during resume. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Rafael J. Wysocki 提交于
The changes made by this patch are necessary for the pagedir relocation simplification in the next patch. Additionally, these changes allow us to drop check_pagedir() and make get_safe_page() be a one-line wrapper around alloc_image_page() (get_safe_page() goes to snapshot.c, because alloc_image_page() is static and it does not make sense to export it). Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Cc: Pavel Machek <pavel@ucw.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 07 11月, 2005 1 次提交
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由 Pavel Machek 提交于
This cleans spaces between * and pointer up, and adds "int" in "unsigned int". Signed-off-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 31 10月, 2005 1 次提交
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由 Rafael J. Wysocki 提交于
The following patch merges two functions in a trivial way. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NPavel Machek <pavel@suse.cz> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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