[lkml]   [2009]   [Oct]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 0/5] Candidate fix for increased number of GFP_ATOMIC failures V2
    On Fri, Oct 23, 2009 at 06:58:10PM +0200, Karol Lewandowski wrote:
    > On Thu, Oct 22, 2009 at 03:22:31PM +0100, Mel Gorman wrote:
    > > Test 3: If you are getting allocation failures, try with the following patch
    > >
    > > 3/5 vmscan: Force kswapd to take notice faster when high-order watermarks are being hit

    > No, problem doesn't go away with these patches (1+2+3). However, from
    > my testing this particular patch makes it way, way harder to trigger
    > allocation failures (but these are still present).
    > This bothers me - should I test following patches with or without
    > above patch? This patch makes bug harder to find, IMVHO it doesn't
    > fix the real problem.

    > Test 4: If you are still getting failures, apply the following
    > 4/5 page allocator: Pre-emptively wake kswapd when high-order watermarks are hit

    Ok, I've tested patches 1+2+4 and bug, while very hard to trigger, is
    still present. I'll test complete 1-4 patchset as time permits.


     \ /
      Last update: 2009-10-23 23:15    [W:0.022 / U:39.676 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site