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| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2018-04-10 16:30:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-11 10:28:32 -0700 |
| commit | 1d47a3ec09b5489cd915e8f492aa623cdab5d002 (patch) | |
| tree | 05d8c5042483988bf8302cabcc8d73ea8eb81660 /mm/compaction.c | |
| parent | bad8c6c0b1144694ecb0bc5629ede9b8b578b86e (diff) | |
| download | blackbird-op-linux-1d47a3ec09b5489cd915e8f492aa623cdab5d002.tar.gz blackbird-op-linux-1d47a3ec09b5489cd915e8f492aa623cdab5d002.zip | |
mm/cma: remove ALLOC_CMA
Now, all reserved pages for CMA region are belong to the ZONE_MOVABLE
and it only serves for a request with GFP_HIGHMEM && GFP_MOVABLE.
Therefore, we don't need to maintain ALLOC_CMA at all.
Link: http://lkml.kernel.org/r/1512114786-5085-3-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Tested-by: Tony Lindgren <tony@atomide.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Laura Abbott <lauraa@codeaurora.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 29bd1df18b98..028b7210a669 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1450,14 +1450,12 @@ static enum compact_result __compaction_suitable(struct zone *zone, int order, * if compaction succeeds. * For costly orders, we require low watermark instead of min for * compaction to proceed to increase its chances. - * ALLOC_CMA is used, as pages in CMA pageblocks are considered - * suitable migration targets */ watermark = (order > PAGE_ALLOC_COSTLY_ORDER) ? low_wmark_pages(zone) : min_wmark_pages(zone); watermark += compact_gap(order); if (!__zone_watermark_ok(zone, 0, watermark, classzone_idx, - ALLOC_CMA, wmark_target)) + 0, wmark_target)) return COMPACT_SKIPPED; return COMPACT_CONTINUE; |
