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| author | Christoph Lameter | 2008-02-05 07:29:11 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2008-02-05 18:44:17 +0100 |
| commit | 9f8f2172537de7af0b0fbd33502d18d52b1339bc (patch) | |
| tree | 273c86583ed0295059c5526d3bd6927520a20add /mm/memory.c | |
| parent | radix-tree: avoid atomic allocations for preloaded insertions (diff) | |
| download | kernel-qcow2-linux-9f8f2172537de7af0b0fbd33502d18d52b1339bc.tar.gz kernel-qcow2-linux-9f8f2172537de7af0b0fbd33502d18d52b1339bc.tar.xz kernel-qcow2-linux-9f8f2172537de7af0b0fbd33502d18d52b1339bc.zip | |
Page allocator: clean up pcp draining functions
- Add comments explaing how drain_pages() works.
- Eliminate useless functions
- Rename drain_all_local_pages to drain_all_pages(). It does drain
all pages not only those of the local processor.
- Eliminate useless interrupt off / on sequences. drain_pages()
disables interrupts on its own. The execution thread is
pinned to processor by the caller. So there is no need to
disable interrupts.
- Put drain_all_pages() declaration in gfp.h and remove the
declarations from suspend.h and from mm/memory_hotplug.c
- Make software suspend call drain_all_pages(). The draining
of processor local pages is may not the right approach if
software suspend wants to support SMP. If they call drain_all_pages
then we can make drain_pages() static.
[akpm@linux-foundation.org: fix build]
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
0 files changed, 0 insertions, 0 deletions