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| author | Mel Gorman <mel@csn.ul.ie> | 2010-08-09 17:19:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-09 20:45:00 -0700 |
| commit | abe4c3b50c3f25cb1baf56036024860f12f96015 (patch) | |
| tree | 20ac47ac168b30f1dde6773d103ed13432802049 /mm/sparse.c | |
| parent | 666356297ec4e9e6594c6008803f2b1403ff7950 (diff) | |
| download | op-kernel-dev-abe4c3b50c3f25cb1baf56036024860f12f96015.zip op-kernel-dev-abe4c3b50c3f25cb1baf56036024860f12f96015.tar.gz | |
vmscan: set up pagevec as late as possible in shrink_page_list()
shrink_page_list() sets up a pagevec to release pages as according as they
are free. It uses significant amounts of stack on the pagevec. This
patch adds pages to be freed via pagevec to a linked list which is then
freed en-masse at the end. This avoids using stack in the main path that
potentially calls writepage().
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Michael Rubin <mrubin@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/sparse.c')
0 files changed, 0 insertions, 0 deletions
