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SubjectRe: [PATCH 5/7] memcg: get rid of once-per-second cache shrinking for dead memcgs
On 11/15/2012 01:41 PM, Kamezawa Hiroyuki wrote:
> (2012/11/15 11:54), Glauber Costa wrote:
>> The idea is to synchronously do it, leaving it up to the shrinking
>> facilities in vmscan.c and/or others. Not actively retrying shrinking
>> may leave the caches alive for more time, but it will remove the ugly
>> wakeups. One would argue that if the caches have free objects but are
>> not being shrunk, it is because we don't need that memory yet.
>>
>> Signed-off-by: Glauber Costa <glommer@parallels.com>
>> CC: Michal Hocko <mhocko@suse.cz>
>> CC: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
>> CC: Johannes Weiner <hannes@cmpxchg.org>
>> CC: Andrew Morton <akpm@linux-foundation.org>
>
> I agree this patch but can we have a way to see the number of unaccounted
> zombie cache usage for debugging ?
>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
>
Any particular interface in mind ?




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