lkml.org 
[lkml]   [2008]   [May]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Date
    Subject[-mm][PATCH 2/4] Enhance cgroup mm_owner_changed callback to add task information


    This patch adds an additional field to the mm_owner callbacks. This field
    is required to get to the mm that changed.

    Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
    ---

    include/linux/cgroup.h | 3 ++-
    kernel/cgroup.c | 2 +-
    2 files changed, 3 insertions(+), 2 deletions(-)

    diff -puN kernel/cgroup.c~cgroup-add-task-to-mm--owner-callbacks kernel/cgroup.c
    --- linux-2.6.25/kernel/cgroup.c~cgroup-add-task-to-mm--owner-callbacks 2008-05-04 02:53:05.000000000 +0530
    +++ linux-2.6.25-balbir/kernel/cgroup.c 2008-05-04 02:53:05.000000000 +0530
    @@ -2772,7 +2772,7 @@ void cgroup_mm_owner_callbacks(struct ta
    if (oldcgrp == newcgrp)
    continue;
    if (ss->mm_owner_changed)
    - ss->mm_owner_changed(ss, oldcgrp, newcgrp);
    + ss->mm_owner_changed(ss, oldcgrp, newcgrp, new);
    }
    }
    }
    diff -puN include/linux/cgroup.h~cgroup-add-task-to-mm--owner-callbacks include/linux/cgroup.h
    --- linux-2.6.25/include/linux/cgroup.h~cgroup-add-task-to-mm--owner-callbacks 2008-05-04 02:53:05.000000000 +0530
    +++ linux-2.6.25-balbir/include/linux/cgroup.h 2008-05-04 02:53:05.000000000 +0530
    @@ -310,7 +310,8 @@ struct cgroup_subsys {
    */
    void (*mm_owner_changed)(struct cgroup_subsys *ss,
    struct cgroup *old,
    - struct cgroup *new);
    + struct cgroup *new,
    + struct task_struct *p);
    int subsys_id;
    int active;
    int disabled;
    _
    --
    Warm Regards,
    Balbir Singh
    Linux Technology Center
    IBM, ISTL


    \
     
     \ /
      Last update: 2008-05-03 23:41    [W:2.653 / U:0.012 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site