Messages in this thread | | | Date | Sun, 15 May 2011 13:56:27 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 1/3] vmscan,memcg: memcg aware swap token |
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On 05/13/2011 07:40 AM, KOSAKI Motohiro wrote: > Currently, memcg reclaim can disable swap token even if the swap token > mm doesn't belong in its memory cgroup. It's slightly risky. If an > admin creates very small mem-cgroup and silly guy runs contentious heavy > memory pressure workload, every tasks are going to lose swap token and > then system may become unresponsive. That's bad. > > This patch adds 'memcg' parameter into disable_swap_token(). and if > the parameter doesn't match swap token, VM doesn't disable it. > > Signed-off-by: KOSAKI Motohiro<kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Rik van Riel<riel@redhat.com>
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