lkml.org 
[lkml]   [2014]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [Patch v4 1/2] freezer: check OOM kill while being frozen
    On Tue 09-09-14 07:50:12, Tejun Heo wrote:
    > Hello,
    >
    > On Tue, Sep 09, 2014 at 12:48:28AM +0200, Rafael J. Wysocki wrote:
    > > Well, not exactly from anywhere. Just from where try_to_freeze() is called
    > > I suppose?
    >
    > Yeap, anywhere try_to_freeze() may be called.
    >
    > > Which means that if this is a user space task, it won't to a lot before dying,
    > > will it?
    >
    > Userland tasks aren't likely to a lot of damages before dying but then
    > again there's no guarantee. As it currently stands, try_to_freeze()
    > can be anywhere.

    But OOM killer doesn't kill kernel threads as they do not own any
    memory. So the check should be safe, no?
    --
    Michal Hocko
    SUSE Labs


    \
     
     \ /
      Last update: 2014-09-09 18:01    [W:3.732 / U:0.456 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site