[lkml]   [2009]   [Jul]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: [PATCH 03/10] ksm: define MADV_MERGEABLE and MADV_UNMERGEABLE
    Izik Eidus wrote:
    > From: Hugh Dickins <>
    > The out-of-tree KSM used ioctls on fds cloned from /dev/ksm to register
    > a memory area for merging: we prefer now to use an madvise(2) interface.
    > This patch just defines MADV_MERGEABLE (to tell KSM it may merge pages
    > in this area found identical to pages in other mergeable areas) and
    > MADV_UNMERGEABLE (to undo that).
    > Most architectures use asm-generic, but alpha, mips, parisc, xtensa
    > need their own definitions: included here for mmotm convenience, but
    > we'll probably want to split this and feed pieces to arch maintainers.
    > Based upon earlier patches by Chris Wright and Izik Eidus.
    > Signed-off-by: Hugh Dickins <>
    > Signed-off-by: Chris Wright <>
    > Signed-off-by: Izik Eidus <>

    Acked-by: Rik van Riel <>

    All rights reversed.

     \ /
      Last update: 2009-07-20 17:13    [W:0.025 / U:15.368 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site