[lkml]   [2010]   [May]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH v2] slub: move kmem_cache_node into it's own cacheline
    Alexander Duyck wrote:
    > This patch is meant to improve the performance of SLUB by moving the local
    > kmem_cache_node lock into it's own cacheline separate from kmem_cache.
    > This is accomplished by simply removing the local_node when NUMA is enabled.
    > On my system with 2 nodes I saw around a 5% performance increase w/
    > hackbench times dropping from 6.2 seconds to 5.9 seconds on average. I
    > suspect the performance gain would increase as the number of nodes
    > increases, but I do not have the data to currently back that up.
    > Signed-off-by: Alexander Duyck <>

    Thanks for the fix, Alexander!

    Yanmin and Alex, can I have your Tested-by or Acked-by please so we can
    close "[Bug #15713] hackbench regression due to commit 9dfc6e68bfe6e"
    after this patch is merged?


     \ /
      Last update: 2010-05-22 10:39    [W:0.028 / U:2.820 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site