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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2011-07-08 15:39:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-08 21:14:43 -0700
commit4d0c066d29f030d47d19678f8008933e67dd3b72 (patch)
tree96f46e845b7a937b2e41b735061f696d2cb03293 /net/dns_resolver
parent0b43c3aab0137595335b08b340a3f3e5af9818a6 (diff)
downloadlinux-4d0c066d29f030d47d19678f8008933e67dd3b72.tar.bz2
memcg: fix reclaimable lru check in memcg
Now, in mem_cgroup_hierarchical_reclaim(), mem_cgroup_local_usage() is used for checking whether the memcg contains reclaimable pages or not. If no pages in it, the routine skips it. But, mem_cgroup_local_usage() contains Unevictable pages and cannot handle "noswap" condition correctly. This doesn't work on a swapless system. This patch adds test_mem_cgroup_reclaimable() and replaces mem_cgroup_local_usage(). test_mem_cgroup_reclaimable() see LRU counter and returns correct answer to the caller. And this new function has "noswap" argument and can see only FILE LRU if necessary. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix kerneldoc layout] Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Ying Han <yinghan@google.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/dns_resolver')
0 files changed, 0 insertions, 0 deletions