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authorGanesh Mahendran <opensource.ganesh@gmail.com>2016-07-29 01:45:13 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-29 02:07:41 +0300
commitb2b331f966086d5741440d9140c39b7ad5ab3862 (patch)
treedcf9fbecf430a53a9d6c80c485443442df9fca3a
parent55779ec759ccc3c12b917b3712a7716e1140c652 (diff)
downloadlinux-b2b331f966086d5741440d9140c39b7ad5ab3862.tar.xz
mm/compaction: remove unnecessary order check in try_to_compact_pages()
The caller __alloc_pages_direct_compact() already checked (order == 0) so there's no need to check again. Link: http://lkml.kernel.org/r/1465973568-3496-1-git-send-email-opensource.ganesh@gmail.com Signed-off-by: Ganesh Mahendran <opensource.ganesh@gmail.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Michal Nazarewicz <mina86@mina86.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/compaction.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 64df5fe052db..45eaa2a56517 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1681,7 +1681,7 @@ enum compact_result try_to_compact_pages(gfp_t gfp_mask, unsigned int order,
*contended = COMPACT_CONTENDED_NONE;
/* Check if the GFP flags allow compaction */
- if (!order || !may_enter_fs || !may_perform_io)
+ if (!may_enter_fs || !may_perform_io)
return COMPACT_SKIPPED;
trace_mm_compaction_try_to_compact_pages(order, gfp_mask, mode);