The patch titled
Subject: mm/compaction: remove unnecessary order check in try_to_compact_pages()
has been removed from the -mm tree. Its filename was
mm-compaction-remove-unnecessary-order-check-in-try_to_compact_pages.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Ganesh Mahendran <opensource.ganesh@xxxxxxxxx>
Subject: 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@xxxxxxxxx
Signed-off-by: Ganesh Mahendran <opensource.ganesh@xxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Michal Nazarewicz <mina86@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/compaction.c~mm-compaction-remove-unnecessary-order-check-in-try_to_compact_pages mm/compaction.c
--- a/mm/compaction.c~mm-compaction-remove-unnecessary-order-check-in-try_to_compact_pages
+++ a/mm/compaction.c
@@ -1681,7 +1681,7 @@ enum compact_result try_to_compact_pages
*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);
_
Patches currently in -mm which might be from opensource.ganesh@xxxxxxxxx are
mm-zsmalloc-add-trace-events-for-zs_compact.patch
mm-zsmalloc-add-per-class-compact-trace-event.patch
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