lkml.org 
[lkml]   [2009]   [May]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/3] PM: Disable OOM killer during system-wide power transitions

> > Does the same apply to suspending? If so, why?
>
> Because I think it doesn't work anyway. User space processes are frozen and
> effectively in TASK_UNINTERRUPTIBLE, so they won't be killed.
>
> > I think this is an OK change, as long as the only thing which is
> > allocating memory is hibernation itself. If random processes are still
> > doing random memory allocations at this time then their failed memory
> > allocation could be just as fatal as an oom-killing. Moreso if they're
> > s/bin/init or whatever.
>
> At this point all of the user space tasks are frozen.

Well, many kernel threads still remain active. But it is true that OOM
killer is unlikely to help.

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


\
 
 \ /
  Last update: 2009-05-03 11:47    [W:0.303 / U:0.508 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site