lkml.org 
[lkml]   [2008]   [Dec]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] introduce get_mm_hiwater_xxx(), fix taskstats->hiwater_xxx accounting
* Oleg Nesterov <oleg@redhat.com> [2008-12-07 18:28:45]:

[snip]

> No. When the task does unmap, vm does update_hiwater_vm() "internally",
> it does not need the help from do_exit(). And do_exit() can't help,
> it is to late to calculate the maximum, ->total_vm was already decreased.
>
> do_exit() itself does not affect rss/vm. Until we call exit_mmap(),
> but at this point ->mm is dead, nobody can look at it, its ->mm_users
> is zero.
>

OK, I think that makes sense, since free would have cleaned up the
memory before entering the exit system call.

[snip]

--
Balbir


\
 
 \ /
  Last update: 2008-12-07 18:43    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site