- 17 10月, 2007 1 次提交
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由 Mike Travis 提交于
Convert cpu_sibling_map from a static array sized by NR_CPUS to a per_cpu variable. This saves sizeof(cpumask_t) * NR unused cpus. Access is mostly from startup and CPU HOTPLUG functions. Signed-off-by: NMike Travis <travis@sgi.com> Cc: Andi Kleen <ak@suse.de> Cc: Christoph Lameter <clameter@sgi.com> Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 10 10月, 2007 1 次提交
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由 Arnd Bergmann 提交于
blk_trace_setup is broken on x86_64 compat systems, this makes the code work correctly on all 64 bit architectures in compat mode. Signed-off-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 27 7月, 2007 1 次提交
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由 Ingo Molnar 提交于
use cpu_clock() instead of sched_clock(). (the latter is not a proper clock-source) Signed-off-by: NIngo Molnar <mingo@elte.hu> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 24 7月, 2007 1 次提交
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由 Jens Axboe 提交于
Some of the code has been gradually transitioned to using the proper struct request_queue, but there's lots left. So do a full sweet of the kernel and get rid of this typedef and replace its uses with the proper type. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 13 2月, 2007 1 次提交
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由 Arjan van de Ven 提交于
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: NArjan van de Ven <arjan@linux.intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 12 2月, 2007 1 次提交
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由 Mathieu Desnoyers 提交于
Mathieu originally needed to add this for tracing Xen, but it's something that's needed for any application that can be tracing while cpus are added. unplug isn't supported by this patch. The thought was that at minumum a new buffer needs to be added when a cpu comes up, but it wasn't worth the effort to remove buffers on cpu down since they'd be freed soon anyway when the channel was closed. [zanussi@us.ibm.com: avoid lock_cpu_hotplug deadlock] Signed-off-by: NMathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Tom Zanussi <zanussi@us.ibm.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 1 次提交
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由 Alan Stern 提交于
The patch (as824b) makes percpu_free() ignore NULL arguments, as one would expect for a deallocation routine. (Note that free_percpu is #defined as percpu_free in include/linux/percpu.h.) A few callers are updated to remove now-unneeded tests for NULL. A few other callers already seem to assume that passing a NULL pointer to percpu_free() is okay! The patch also removes an unnecessary NULL check in percpu_depopulate(). 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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- 04 12月, 2006 2 次提交
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由 Jens Axboe 提交于
Only the process notifier needs it, and it can set it manually. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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由 Jens Axboe 提交于
It's too large to inline. Additionally clean it up, by fast pathing the likely path. Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 01 12月, 2006 1 次提交
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由 Olaf Kirch 提交于
This adds a new timestamp message to blktrace, giving the timeofday when we starting tracing. This helps user space correlate block trace events with eg an application strace. This requires a (compatible) update to blkparse. The changed blkparse is still able to process traces generated by older kernels, and older versions of blkparse should silently ignore the new records (because they have a pid of 0). Signed-off-by: NOlaf Kirch <okir@suse.de> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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- 01 10月, 2006 3 次提交
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由 Jens Axboe 提交于
As people often look for the copyright in files to see who to mail, update the link to a neutral one. Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Martin Peschke 提交于
This patch kills a few lines of code in blktrace by making use of on_each_cpu(). Signed-off-by: NMartin Peschke <mp3@de.ibm.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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由 Jens Axboe 提交于
Signed-off-by: NJens Axboe <axboe@suse.de>
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- 30 9月, 2006 1 次提交
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由 Alexey Dobriyan 提交于
Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Acked-by: NJens Axboe <axboe@suse.de> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 27 9月, 2006 1 次提交
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由 Theodore Ts'o 提交于
The following patches reduce the size of the VFS inode structure by 28 bytes on a UP x86. (It would be more on an x86_64 system). This is a 10% reduction in the inode size on a UP kernel that is configured in a production mode (i.e., with no spinlock or other debugging functions enabled; if you want to save memory taken up by in-core inodes, the first thing you should do is disable the debugging options; they are responsible for a huge amount of bloat in the VFS inode structure). This patch: The filesystem or device-specific pointer in the inode is inside a union, which is pretty pointless given that all 30+ users of this field have been using the void pointer. Get rid of the union and rename it to i_private, with a comment to explain who is allowed to use the void pointer. This is just a cleanup, but it allows us to reuse the union 'u' for something something where the union will actually be used. [judith@osdl.org: powerpc build fix] Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu> Signed-off-by: NJudith Lebzelter <judith@osdl.org> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 25 7月, 2006 1 次提交
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由 Milton Miller 提交于
It should be toggling the same bit on and off, fix it up. Signed-off-by: NJens Axboe <axboe@suse.de>
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- 06 7月, 2006 1 次提交
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由 Nathan Scott 提交于
Provide the needed kernel support for distinguishing readahead from regular read requests when tracing block devices. Signed-off-by: NNathan Scott <nathans@sgi.com> Signed-off-by: NJens Axboe <axboe@suse.de>
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- 01 7月, 2006 1 次提交
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由 Jörn Engel 提交于
Signed-off-by: NJörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: NAdrian Bunk <bunk@stusta.de>
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- 24 3月, 2006 1 次提交
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由 Jens Axboe 提交于
Signed-off-by: NJens Axboe <axboe@suse.de>
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