Re: [PATCH -mm] proc: don't take ->siglock for /proc/pid/oom_adj

[Oleg Nesterov]

On 03/30, David Rientjes wrote:
>
> On Tue, 30 Mar 2010, Oleg Nesterov wrote:
>
> > ->siglock is no longer needed to access task->signal, change
> > oom_adjust_read() and oom_adjust_write() to read/write oom_adj
> > lockless.
> >
> > Yes, this means that "echo 2 >oom_adj" and "echo 1 >oom_adj"
> > can race and the second write can win, but I hope this is OK.
> >
>
> Ok, but could you base this on -mm at
> http://userweb.kernel.org/~akpm/mmotm/ since an additional tunable has
> been added (oom_score_adj), which does the same thing?

Ah, OK, will do.

Thanks David.

Oleg.

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