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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2009-09-21 17:01:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-22 07:17:28 -0700
commitb35ea17b7bbf5dea35faa0de11030acc620c3197 (patch)
treefba2dabec71193f769c16c3737e152900682bbfa /mm/vmstat.c
parent44c241f166b31999482c3c40448f4bbb2157a804 (diff)
downloadop-kernel-dev-b35ea17b7bbf5dea35faa0de11030acc620c3197.zip
op-kernel-dev-b35ea17b7bbf5dea35faa0de11030acc620c3197.tar.gz
mm: shrink_inactive_list() nr_scan accounting fix fix
If sc->isolate_pages() return 0, we don't need to call shrink_page_list(). In past days, shrink_inactive_list() handled it properly. But commit fb8d14e1 (three years ago commit!) breaked it. current shrink_inactive_list() always call shrink_page_list() although isolate_pages() return 0. This patch restore proper return value check. Requirements: o "nr_taken == 0" condition should stay before calling shrink_page_list(). o "nr_taken == 0" condition should stay after nr_scan related statistics modification. Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: Rik van Riel <riel@redhat.com> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
0 files changed, 0 insertions, 0 deletions
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