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
    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?

    Thanks.

    --
    tejun


    \
     
     \ /
      Last update: 2009-09-20 12:15    [W:0.040 / U:0.080 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site