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authorLinus Torvalds <torvalds@linux-foundation.org>2012-04-12 14:15:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-04-12 14:15:21 -0700
commitecca5c3acc0d0933d89abc44e60afb0cc8170e35 (patch)
treee765a76f8bf07717b4c446193bc4e2601b4fd038 /Documentation
parent174808af90a06ee59ffedd60c00c252f1f887f25 (diff)
parent026ee1f66aaa7f01b617a0ba89ac4b531f9603f1 (diff)
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Merge branch 'akpm' (Andrew's patch-bomb)
Merge fixes from Andrew Morton. * emailed from Andrew Morton <akpm@linux-foundation.org>: (14 patches) panic: fix stack dump print on direct call to panic() drivers/rtc/rtc-pl031.c: enable clock on all ST variants Revert "mm: vmscan: fix misused nr_reclaimed in shrink_mem_cgroup_zone()" hugetlb: fix race condition in hugetlb_fault() drivers/rtc/rtc-twl.c: use static register while reading time drivers/rtc/rtc-s3c.c: add placeholder for driver private data drivers/rtc/rtc-s3c.c: fix compilation error MAINTAINERS: add PCDP console maintainer memcg: do not open code accesses to res_counter members drivers/rtc/rtc-efi.c: fix section mismatch warning drivers/rtc/rtc-r9701.c: reset registers if invalid values are detected drivers/char/random.c: fix boot id uniqueness race memcg: fix broken boolen expression memcg: fix up documentation on global LRU
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cgroups/memory.txt5
1 files changed, 2 insertions, 3 deletions
diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index 4c95c0034a4b..9b1067afb224 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -34,8 +34,7 @@ Current Status: linux-2.6.34-mmotm(development version of 2010/April)
Features:
- accounting anonymous pages, file caches, swap caches usage and limiting them.
- - private LRU and reclaim routine. (system's global LRU and private LRU
- work independently from each other)
+ - pages are linked to per-memcg LRU exclusively, and there is no global LRU.
- optionally, memory+swap usage can be accounted and limited.
- hierarchical accounting
- soft limit
@@ -154,7 +153,7 @@ updated. page_cgroup has its own LRU on cgroup.
2.2.1 Accounting details
All mapped anon pages (RSS) and cache pages (Page Cache) are accounted.
-Some pages which are never reclaimable and will not be on the global LRU
+Some pages which are never reclaimable and will not be on the LRU
are not accounted. We just account pages under usual VM management.
RSS pages are accounted at page_fault unless they've already been accounted