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mm/compaction: remove unnecessary order check in try_to_compact_pages()

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The caller __alloc_pages_direct_compact() already checked (order == 0)
so there's no need to check again.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ganesh Mahendran <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Michal Nazarewicz <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ganesh Mahendran 2016-07-28 15:45:13 -07:00 • committed by Linus Torvalds
commit b2b331f966
1 changed files with 1 additions and 1 deletions
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2
mm/compaction.c
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@ -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);