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authorDavid Rientjes <rientjes@google.com>2017-11-15 17:32:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-15 18:21:01 -0800
commita3ba074447824625d3a267a5fffd2ea21556ebf4 (patch)
tree87f3eff9e8cc84bea307d95bcda20ab04d1138ec /mm
parent9f88faee3ff7d6e8b09c9d23b7d4ac0c15a3eae9 (diff)
downloadop-kernel-dev-a3ba074447824625d3a267a5fffd2ea21556ebf4.zip
op-kernel-dev-a3ba074447824625d3a267a5fffd2ea21556ebf4.tar.gz
mm/slab.c: only set __GFP_RECLAIMABLE once
SLAB_RECLAIM_ACCOUNT is a permanent attribute of a slab cache. Set __GFP_RECLAIMABLE as part of its ->allocflags rather than check the cachep flag on every page allocation. Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1710171527560.140898@chino.kir.corp.google.com Signed-off-by: David Rientjes <rientjes@google.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Mel Gorman <mgorman@techsingularity.net> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/slab.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 1a6797e..0c6468c 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1410,8 +1410,6 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags,
int nr_pages;
flags |= cachep->allocflags;
- if (cachep->flags & SLAB_RECLAIM_ACCOUNT)
- flags |= __GFP_RECLAIMABLE;
page = __alloc_pages_node(nodeid, flags | __GFP_NOTRACK, cachep->gfporder);
if (!page) {
@@ -2144,6 +2142,8 @@ done:
cachep->allocflags = __GFP_COMP;
if (flags & SLAB_CACHE_DMA)
cachep->allocflags |= GFP_DMA;
+ if (flags & SLAB_RECLAIM_ACCOUNT)
+ cachep->allocflags |= __GFP_RECLAIMABLE;
cachep->size = size;
cachep->reciprocal_buffer_size = reciprocal_value(size);
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