lkml.org 
[lkml]   [2011]   [Dec]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Android low memory killer vs. memory pressure notifications
On Mon, 19 Dec 2011, Michal Hocko wrote:

> page_cgroup is 16B per page and with the current Johannes' memcg
> naturalization work (in the mmotm tree) we are down to 8B per page (we
> got rid of lru). Kamezawa has some patches to get rid of the flags so we
> will be down to 4B per page on 32b. Is this still too much?
> I would be really careful about a yet another lowmem notification
> mechanism.
>

There was always general interest in a low memory notification mechanism
even prior to memcg, see http://lwn.net/Articles/268732/ from Marcelo and
KOSAKI-san. The desire is not only to avoid the metadata overhead of
memcg, but also to avoid cgroups entirely.


\
 
 \ /
  Last update: 2011-12-19 20:15    [W:0.223 / U:0.232 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site