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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2016-07-27 01:23:40 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-27 02:19:19 +0300
commit66c64223ad4e7a4a9161fcd9606426d9f57227ca (patch)
tree6533b432290ce4c708410a98b551cacfbdbd2e02 /include/linux/mm.h
parent3b1d9ca65a80ced8ae737ffb11ae939334a882ca (diff)
downloadlinux-66c64223ad4e7a4a9161fcd9606426d9f57227ca.tar.xz
mm/compaction: split freepages without holding the zone lock
We don't need to split freepages with holding the zone lock. It will cause more contention on zone lock so not desirable. [rientjes@google.com: if __isolate_free_page() fails, avoid adding to freelist so we don't call map_pages() with it] Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1606211447001.43430@chino.kir.corp.google.com Link: http://lkml.kernel.org/r/1464230275-25791-1-git-send-email-iamjoonsoo.kim@lge.com Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Minchan Kim <minchan@kernel.org> Cc: Alexander Potapenko <glider@google.com> Cc: Hugh Dickins <hughd@google.com> Cc: Michal Hocko <mhocko@kernel.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 3e22335a435c..6c9a394b2979 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -537,7 +537,6 @@ void __put_page(struct page *page);
void put_pages_list(struct list_head *pages);
void split_page(struct page *page, unsigned int order);
-int split_free_page(struct page *page);
/*
* Compound pages have a destructor function. Provide a