Re: oom killer and its superior braindamage in 2.4

From: Rik van Riel (riel@imladris.surriel.com)
Date: Sat Feb 22 2003 - 15:14:18 EST


On Sat, 22 Feb 2003, Marc-Christian Petersen wrote:

> - Feb 21 10:04:57 codeman kernel: Out of Memory: Killed process 2657 (apache).
>
> The above log entry (apache) appeared for about 4 hours every some
> seconds (same PID) until I thought about sysrq-b

> Is there any chance we can fix this up?

Yes.

1) add a VM_KILLED flag
2) set this flag on the p->mm->def_flags when you kill a
   process/thread from oom_kill.c
3) clear the flag on process exit

4) on a new call to oom_kill, skip processes when
   (p->mm->def_flags & VM_KILLED) by returning 0
   points for such a process

cheers,

Rik

-- 
Engineers don't grow up, they grow sideways.
http://www.surriel.com/		http://kernelnewbies.org/
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