Messages in this thread | | | Date | Thu, 15 Jan 2009 12:08:29 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [RFC][PATCH 5/4] memcg: don't call res_counter_uncharge when obsolete |
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On Thu, 15 Jan 2009 11:48:46 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
> On Wed, 14 Jan 2009 19:25:39 +0530 > Balbir Singh <balbir@linux.vnet.ibm.com> wrote: > > I liked the earlier, EBUSY approach that ensured that parents could > > not go away if children exist. IMHO, the code has gotten too complex > > and has too many corner cases. Time to revisit it. > > > It's on my plan. > I'll fix this by CSS-ID patch. > > When I recored memcg's CSS-ID to swap_cgroup (not pointer to memcg), > we never need memcg's refcnt. > Sorry, ignore this. refcnt in memcg is necessary anyway to prevent reuse of ID.
-Kame
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