[lkml]   [2011]   [Apr]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: 2.6.39-rc4+: oom-killer busy killing tasks
    On Wed, Apr 27, 2011 at 7:28 PM, Dave Chinner <> wrote:
    > On Wed, Apr 27, 2011 at 12:46:51AM -0700, Christian Kujau wrote:
    >> On Wed, 27 Apr 2011 at 12:26, Dave Chinner wrote:
    >> > What this shows is that VFS inode cache memory usage increases until
    >> > about the 550 sample mark before the VM starts to reclaim it with
    >> > extreme prejudice. At that point, I'd expect the XFS inode cache to
    >> > then shrink, and it doesn't. I've got no idea why the either the
    >> Do you remember any XFS changes past 2.6.38 that could be related to
    >> something like this?
    > There's plenty of changes that coul dbe the cause - we've changed
    > the inode reclaim to run in the background out of a workqueue as
    > well as via the shrinker, so it could even be workqueue starvation
    > causing the the problem...

    RCU free starvation is another possibility?

    Kind regards,
    Minchan Kim

     \ /
      Last update: 2011-04-28 01:19    [W:0.020 / U:19.188 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site