Re: [PATCH -mm] mm/oom_kill: change oom_kill_process() to bump ->mm_count rather than ->mm_users
From: Oleg Nesterov
Date: Tue Oct 06 2015 - 12:30:55 EST
On 10/05, Oleg Nesterov wrote:
>
> Self nack to the changelog ;)
>
> I still think the patch is fine, I'll resend it. But the changelog
> is wrong, in the case above access_process_vm() adds another reference
> to ->mm_users, so mmput() can never lead to mm_users == 0.
Please see v2 with updated changelog I am going to send. However, somehow
I forgot that "mm/oom_kill.c: fix potentially killing unrelated process"
still sits in -mm, so I guess it would be better to fold this change into
mmoom-fix-potentially-killing-unrelated-process.patch.
Oleg.
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