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authorJohannes Weiner <hannes@cmpxchg.org>2014-12-10 15:42:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 17:41:04 -0800
commit71f87bee38edddb21d97895fa938744cf3f477bb (patch)
tree036178cbc751f0c98c4a25eb1742ef4ec6d3c580 /Documentation
parentmm: memcontrol: lockless page counters (diff)
downloadlinux-dev-71f87bee38edddb21d97895fa938744cf3f477bb.tar.xz
linux-dev-71f87bee38edddb21d97895fa938744cf3f477bb.zip
mm: hugetlb_cgroup: convert to lockless page counters
Abandon the spinlock-protected byte counters in favor of the unlocked page counters in the hugetlb controller as well. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Vladimir Davydov <vdavydov@parallels.com> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: Tejun Heo <tj@kernel.org> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cgroups/hugetlb.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/cgroups/hugetlb.txt b/Documentation/cgroups/hugetlb.txt
index a9faaca1f029..106245c3aecc 100644
--- a/Documentation/cgroups/hugetlb.txt
+++ b/Documentation/cgroups/hugetlb.txt
@@ -29,7 +29,7 @@ Brief summary of control files
hugetlb.<hugepagesize>.limit_in_bytes # set/show limit of "hugepagesize" hugetlb usage
hugetlb.<hugepagesize>.max_usage_in_bytes # show max "hugepagesize" hugetlb usage recorded
- hugetlb.<hugepagesize>.usage_in_bytes # show current res_counter usage for "hugepagesize" hugetlb
+ hugetlb.<hugepagesize>.usage_in_bytes # show current usage for "hugepagesize" hugetlb
hugetlb.<hugepagesize>.failcnt # show the number of allocation failure due to HugeTLB limit
For a system supporting two hugepage size (16M and 16G) the control