lkml.org 
[lkml]   [2009]   [Sep]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/3] slqb: Do not use DEFINE_PER_CPU for per-node data
Tejun Heo wrote:
> Pekka Enberg wrote:
>> On Fri, Sep 18, 2009 at 10:34 PM, Mel Gorman <mel@csn.ul.ie> wrote:
>>> SLQB used a seemingly nice hack to allocate per-node data for the statically
>>> initialised caches. Unfortunately, due to some unknown per-cpu
>>> optimisation, these regions are being reused by something else as the
>>> per-node data is getting randomly scrambled. This patch fixes the
>>> problem but it's not fully understood *why* it fixes the problem at the
>>> moment.
>> Ouch, that sounds bad. I guess it's architecture specific bug as x86
>> works ok? Lets CC Tejun.
>
> Is the corruption being seen on ppc or s390?

On ppc.


\
 
 \ /
  Last update: 2009-09-20 12:15    [W:0.059 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site