Messages in this thread | | | Date | Wed, 31 Mar 2010 11:17:40 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH -mm] proc: don't take ->siglock for /proc/pid/oom_adj |
| |
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.
| |