Re: [BUGFIX][PATCH] memcg rcu lock fix in swap code (Was Re: [BUG]an RCU warning in memcg

[KAMEZAWA Hiroyuki]

On Fri, 23 Apr 2010 11:55:16 +0800
Li Zefan <lizf@xxxxxxxxxxxxxx> wrote:

> Li Zefan wrote:
> > KAMEZAWA Hiroyuki wrote:
> >> On Fri, 23 Apr 2010 11:00:41 +0800
> >> Li Zefan <lizf@xxxxxxxxxxxxxx> wrote:
> >>
> >>> with CONFIG_PROVE_RCU=y, I saw this warning, it's because
> >>> css_id() is not under rcu_read_lock().
> >>>
> >> Ok. Thank you for reporting.
> >> This is ok ? 
> > 
> > Yes, and I did some more simple tests on memcg, no more warning
> > showed up.
> > 
> 
> oops, after trigging oom, I saw 2 more warnings:
> 

ok, I will update.  thank you.


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