- 20 12月, 2006 1 次提交
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由 Akinobu Mita 提交于
Fix single linked list manipulation for sub_driver. If the remving entry is not on the head of the sub_driver list, it goes into infinate loop. Though that infinite loop doesn't happen. Because the only user of acpi_pci_register_dirver() is acpiphp. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 02 11月, 2006 1 次提交
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由 Rafael J. Wysocki 提交于
It has been reported that on some systems the functionality after a resume from disk is limited if the system is simply powered off during the suspend instead of using the ACPI S4 suspend (aka platform mode). Unfortunately the default is currently to power off the system during the suspend so the users of these systems experience problems after the resume if they don't switch to the platform mode explicitly. This patch makes swsusp use the platform mode by default to avoid such situations. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NStefan Seyfried <seife@suse.de> Acked-by: NPavel Machek <pavel@ucw.cz> Signed-off-by: NLen Brown <len.brown@intel.com>
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- 31 10月, 2006 3 次提交
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由 Kristen Carlson Accardi 提交于
http://bugzilla.kernel.org/show_bug.cgi?id=7303 Use a mutex instead of a spinlock for locking the hotplug list because we need to call into the ACPI subsystem which might sleep. Signed-off-by: NKristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: NLen Brown <len.brown@intel.com>
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由 Jens Axboe 提交于
When the ioprio code recently got juggled a bit, a bug was introduced. changed_ioprio() is no longer called with interrupts disabled, so using plain spin_lock() on the queue_lock is a bug. Signed-off-by: NJens Axboe <jens.axboe@oracle.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Jens Axboe 提交于
If cfq_set_request() is called for a new process AND a non-fs io request (so that __GFP_WAIT may not be set), cfq_cic_link() may use spin_lock_irq() and spin_unlock_irq() with interrupts already disabled. Fix is to always use irq safe locking in cfq_cic_link() Acked-By: NArjan van de Ven <arjan@linux.intel.com> Acked-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NJens Axboe <jens.axboe@oracle.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 30 10月, 2006 13 次提交
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由 Linus Torvalds 提交于
This reverts commit a2b98a69. As per Guennadi Liakhovetski, the mac address change support code breaks some normal uses (_without_ any address changes), and until it's all sorted out, we're better off without it. Says Francois: "Go revert it. Despite what I claimed, I can not find a third-party confirmation by email that it works elsewhere. It would probably be enough to remove the call to __rtl8169_set_mac_addr() in rtl8169_hw_start() though." See also http://bugzilla.kernel.org/show_bug.cgi?id=6032 Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: NFrancois Romieu <romieu@fr.zoreil.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3914/1: [Jornada7xx] - Typo Fix in cpu-sa1110.c (b != B) [ARM] 3913/1: n2100: fix IRQ routing for second ethernet port [ARM] Add KBUILD_IMAGE target support [ARM] Fix suspend oops caused by PXA2xx PCMCIA driver [ARM] Fix i2c-pxa slave mode support [ARM] 3900/1: Fix VFP Division by Zero exception handling. [ARM] 3899/1: Fix the normalization of the denormal double precision number. [ARM] 3909/1: Disable UWIND_INFO for ARM (again) [ARM] Add __must_check to uaccess functions [ARM] Add realview SMP default configuration [ARM] Fix SMP irqflags support
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6: [PATCH] PCMCIA: fix __must_check warnings [PATCH] PCMCIA: handle sysfs, PCI errors [PATCH] Export soc_common_drv_pcmcia_remove to allow modular PCMCIA. [PATCH] ioremap balanced with iounmap for drivers/pcmcia [PATCH] pcmcia: au1000_generic fix [PATCH] i82092: wire up errors from pci_register_driver() [PATCH] CONFIG_PM=n slim: drivers/pcmcia/* [PATCH] pcmcia/ds: driver layer error checking [PATCH] pcmcia: update alloc_io_space for conflict checking for multifunction PC card [PATCH] pcmcia: add more IDs to hostap_cs.c [PATCH] pcmcia: at91_cf update
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git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] sc1200wdt.c pnp unregister fix.
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由 Kristoffer Ericson 提交于
"K4S281632b-1H" should read "K4S281632B-1H" (As it does everywhere else). No more coffe! Signed-off-by: NKristoffer Ericson <Kristoffer_e1@hotmail.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: ieee1394: ohci1394: revert fail on error in suspend
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由 Akinobu Mita 提交于
If no devices found or invalid parameter is specified, scl200wdt_pnp_driver is left unregistered. It breaks global list of pnp drivers. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Signed-off-by: NAndrew Morton <akpm@osdl.org>
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由 Geert Uytterhoeven 提交于
Commit 61ce1efe missed the m68k initcall sections. Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
prepare_reply() adds GENL_HDRLEN to the payload (genlmsg_total_size()), but then it does genlmsg_put()->nlmsg_put(). This means we forget to reserve a room for 'struct nlmsghdr'. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Thomas Graf <tgraf@suug.ch> Cc: Andrew Morton <akpm@osdl.org> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
'return genlmsg_cancel()' in taskstats_user_cmd/taskstats_exit_send potentially leaks a skb. Unless we pass 'rep_skb' to the netlink layer we own sk_buff. This means we should always do kfree_skb() on failure. [ Thomas acked and pointed out missing return value in original version ] Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Acked-by: NThomas Graf <tgraf@suug.ch> Cc: Andrew Morton <akpm@osdl.org> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Stefan Richter 提交于
Some errors during preparation for suspended state can be skipped with a warning instead of a failure of the whole suspend transition, notably an error in pci_set_power_state. Signed-off-by: NStefan Richter <stefanr@s5r6.in-berlin.de>
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由 Lennert Buytenhek 提交于
The second ethernet port on the Thecus n2100 was incorrectly assigned to XINT1 instead of the correct XINT3 (PCI INTB instead of INTD), which caused that port to be non-functional. Signed-off-by: NLennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Giridhar Pemmasani 提交于
As reported by Martin J. Bligh <mbligh@google.com>, we let through some non-slab bits to slab allocation through __get_vm_area_node when doing a vmalloc. I haven't been able to reproduce this, although I understand why it happens: vmalloc allocates memory with GFP_KERNEL | __GFP_HIGHMEM and commit 52fd24ca resulted in the same flags are passed down to cache_alloc_refill, causing the BUG. The following patch fixes it. Note that when calling kmalloc_node, I am masking off __GFP_HIGHMEM with GFP_LEVEL_MASK, whereas __vmalloc_area_node does the same with ~(__GFP_HIGHMEM | __GFP_ZERO). IMHO, using GFP_LEVEL_MASK is preferable, but either should fix this problem. Signed-off-by: Giridhar Pemmasani (pgiri@yahoo.com) Cc: Martin J. Bligh <mbligh@google.com> Cc: Andrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 29 10月, 2006 22 次提交
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由 Russell King 提交于
Add support for KBUILD_IMAGE on ARM. This takes the usual target specifiers (zImage/Image/etc) in the same way that powerpc does (iow, without the arch/arm/boot prefix). Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Russell King 提交于
The PXA2xx PCMCIA driver was registering a device_driver with the platform_bus_type. Unfortunately, this causes data outside the device_driver structure to be dereferenced as if it were a platform_driver structure, causing an oops. Convert the PXA2xx core driver to use the proper platform_driver structure. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Russell King 提交于
i2c-pxa times out when trying to enable slave mode due to an incorrect test. Also, check that i2c->slave is non-NULL before dereferencing it. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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git://git390.osdl.marist.edu/pub/scm/linux-2.6由 Linus Torvalds 提交于
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] cio: Make ccw_device_register() static. [S390] Improve AP bus device removal. [S390] uaccess error handling. [S390] cio: css_probe_device() must be called enabled. [S390] Initialize interval value to 0. [S390] sys_getcpu compat wrapper.
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由 Mel Gorman 提交于
absent_pages_in_range() made the assumption that users of the arch-independent zone-sizing API would not care about holes beyound the end of physical memory. This was not the case and was "fixed" in a patch called "Account for holes that are outside the range of physical memory". However, when given a range that started before a hole in "real" memory and ended beyond the end of memory, it would get the result wrong. The bug is in mainline but a patch is below. It has been tested successfully on a number of machines and architectures. Additional credit to Keith Mannthey for discovering the problem, helping identify the correct fix and confirming it Worked For Him. Signed-off-by: NMel Gorman <mel@csn.ul.ie> Cc: keith mannthey <kmannth@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Alan Stern 提交于
This patch (as812) changes the kerneldoc comments explaining the return values from queue_work(), queue_delayed_work(), and queue_delayed_work_on(). The updated comments explain more accurately the meaning of the return code and avoid suggesting that a 0 value means the routine was unsuccessful. Signed-off-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Alan Cox 提交于
The Jmicron JMB368 is PATA only so has the PATA on function zero. Don't therefore skip function zero on this device when probing Signed-off-by: NAlan Cox <alan@redhat.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Satoru Takeuchi 提交于
_cpu_down() acquires `workqueue_mutex' on its process, but doen't release it if __cpu_disable() fails. Signed-off-by: NSatoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Jim Houston 提交于
I notice that the code which implements adjtime clears the time_adjust value before using it. The attached patch makes the obvious fix. Acked-by: NRoman Zippel <zippel@linux-m68k.org> Signed-off-by: NJim Houston <jim.houston@ccur.com> Cc: John Stultz <johnstul@us.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Randy Dunlap 提交于
Put SYS_HYPERVISOR inside the Generic Driver Config menu where it should be. Otherwise xconfig displays it as a dangling (lost) menu item under Device Drivers, all by itself (when all options are displayed). Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com> Cc: <holzheu@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
fill_tgid() should skip not only an already exited group leader. If the task has ->exit_state != 0 it already did exit_notify(), so it also did fill_tgid_exit()->delayacct_add_tsk(->signal->stats) and we should skip it to avoid a double accounting. This patch doesn't close the race completely, but it cleanups the code. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
Remove tasklist_lock from taskstats.c. find_task_by_pid() is rcu-safe. ->siglock allows us to traverse subthread without tasklist. Q: delay accounting looks wrong to me. If sub-thread has already called taskstats_exit_send() but didn't call release_task(self) yet it will be accounted twice. The window is big. No? Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
signal_struct is (mostly) protected by ->sighand->siglock, I think we don't need ->taskstats_lock to protect ->stats. This also allows us to simplify the locking in fill_tgid(). Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
Every subthread (except first) does unneeded kmem_cache_alloc/kmem_cache_free. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
taskstats_tgid_free() is called on copy_process's error path. This is wrong. IF (clone_flags & CLONE_THREAD) We should not clear ->signal->taskstats, current uses it, it probably has a valid accumulated info. ELSE taskstats_tgid_init() set ->signal->taskstats = NULL, there is nothing to free. Move the callsite to __exit_signal(). We don't need any locking, entire thread group is exiting, nobody should have a reference to soon to be released ->signal. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
1. ts = timespec_sub(uptime, current->group_leader->start_time); It is possible that current != tsk. Probably it was supposed to be 'tsk->group_leader->start_time. But why we are reading group_leader's start_time ? This accounting is per thread, not per procees, I changed this to 'tsk->start_time. Please corect me. 2. stats->ac_ppid = (tsk->parent) ? tsk->parent->pid : 0; tsk->parent never == NULL, and it is unsafe to dereference it. Both the task and it's parent may exit after the caller unlocks tasklist_lock, the memory could be unmapped (DEBUG_SLAB). (And we should use ->real_parent->tgid in fact). Q: I don't understand the 'if (thread_group_leader(tsk))' check. Why it is needed ? Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Acked-by: NJay Lan <jlan@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Oleg Nesterov 提交于
1. fill_tgid() forgets to do put_task_struct(first). 2. release_task(first) can happen after fill_tgid() drops tasklist_lock, it is unsafe to dereference first->signal. This is a temporary fix, imho the locking should be reworked. Signed-off-by: NOleg Nesterov <oleg@tv-sign.ru> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Jay Lan <jlan@sgi.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Michael Holzheu 提交于
strstrip() does not remove the last blank from strings which only consist of blanks. Example: char string[] = " "; strstrip(string); results in " ", but should produce an empty string! The following patch solves this problem: Acked-by: NMartin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: NMichael Holzheu <holzheu@de.ibm.com> Acked-by: NPekka Enberg <penberg@cs.helsinki.fi> Acked-by Joern Engel <joern@wh.fh-wedel.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Stephen Rothwell 提交于
This means we can call it when the bitmap we want to fetch is declared const. Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au> Cc: Christoph Lameter <clameter@engr.sgi.com> Cc: Paul Jackson <pj@sgi.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 David Howells 提交于
With Vasily Averin <vvs@sw.ru> Fix an error in unused dentry counting in shrink_dcache_for_umount_subtree() in which the count is modified without the dcache_lock held. Signed-off-by: NDavid Howells <dhowells@redhat.com> Cc: Vasily Averin <vvs@sw.ru> Cc: Neil Brown <neilb@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Vasily Averin 提交于
On the the following patch: http://linux.bkbits.net:8080/linux-2.6/gnupatch@449b144ecSF1rYskg3q-SeR2vf88zg # ChangeSet # 2006/06/22 15:05:57-07:00 neilb@suse.de # [PATCH] Fix dcache race during umount # If prune_dcache finds a dentry that it cannot free, it leaves it where it # is (at the tail of the list) and exits, on the assumption that some other # thread will be removing that dentry soon. However as far as I see this comment is not correct: when we cannot take s_umount rw_semaphore (for example because it was taken in do_remount) this dentry is already extracted from dentry_unused list and we do not add it into the list again. Therefore dentry will not be found by prune_dcache() and shrink_dcache_sb() and will leave in memory very long time until the partition will be unmounted. The patch adds this dentry into tail of the dentry_unused list. Signed-off-by: NVasily Averin <vvs@sw.ru> Cc: Neil Brown <neilb@suse.de> Acked-by: NDavid Howells <dhowells@redhat.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Hugh Dickins 提交于
If you truncated an mmap'ed hugetlbfs file, then faulted on the truncated area, /proc/meminfo's HugePages_Rsvd wrapped hugely "negative". Reinstate my preliminary i_size check before attempting to allocate the page (though this only fixes the most obvious case: more work will be needed here). Signed-off-by: NHugh Dickins <hugh@veritas.com> Cc: Adam Litke <agl@us.ibm.com> Cc: David Gibson <david@gibson.dropbear.id.au> Cc: "Chen, Kenneth W" <kenneth.w.chen@intel.com> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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