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| author | Johannes Weiner <hannes@cmpxchg.org> | 2014-12-10 15:42:34 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 17:41:04 -0800 |
| commit | 71f87bee38edddb21d97895fa938744cf3f477bb (patch) | |
| tree | 036178cbc751f0c98c4a25eb1742ef4ec6d3c580 /Documentation/cgroups/hugetlb.txt | |
| parent | 3e32cb2e0a12b6915056ff04601cf1bb9b44f967 (diff) | |
| download | lwn-71f87bee38edddb21d97895fa938744cf3f477bb.tar.gz lwn-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/cgroups/hugetlb.txt')
| -rw-r--r-- | Documentation/cgroups/hugetlb.txt | 2 |
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 |