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authorHugh Dickins <hughd@google.com>2014-01-24 00:53:32 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-24 01:36:53 +0100
commitd8ad30559715ce97afb7d1a93a12fd90e8fff312 (patch)
treede34c8716415741701e60981b89cfeb2aef114da /virt
parentmm/memcg: fix last_dead_count memory wastage (diff)
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mm/memcg: iteration skip memcgs not yet fully initialized
It is surprising that the mem_cgroup iterator can return memcgs which have not yet been fully initialized. By accident (or trial and error?) this appears not to present an actual problem; but it may be better to prevent such surprises, by skipping memcgs not yet online. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Tejun Heo <tj@kernel.org> Acked-by: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: <stable@vger.kernel.org> [3.12+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'virt')
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