lkml.org 
[lkml]   [2010]   [May]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH/RFC] Have sane default values for cpusets
From
On Wed, May 12, 2010 at 12:10 PM, Dhaval Giani <dhaval.giani@gmail.com> wrote:
> On Wed, May 12, 2010 at 9:01 PM, Paul Menage <menage@google.com> wrote:
>> What about the case where some subset of the parent's mems/cpus are
>> given to a child with the exclusive flag set?
>>
>
> As I mentioned in the TODO, it is still to be handled.

Oops, sorry, just read the patch :-)

> But it should
> simply exclude those mems/cpus which are exclusive. It was a bit more
> involved than the effort I wanted to put in before gauging the
> reactions.

I think the idea is reasonable - the only way that I could see it
breaking someone would be code that currently does something like:

mkdir A
mkdir B
echo 1 > A/mem_exclusive
echo 1 > B/mem_exclusive
echo $mems_for_a > A/mems
echo $mems_for_b > B/mems

The attempts to set the mem_exclusive flags would fail, since A and B
would both have all of the parent's mems.

Paul


\
 
 \ /
  Last update: 2010-05-12 21:23    [W:1.511 / U:0.728 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site