lkml.org 
[lkml]   [2018]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] mm/swap: add function get_total_swap_pages to expose total_swap_pages
From
Date
Am 30.01.2018 um 13:28 schrieb Michal Hocko:
> I do think you should completely ignore the size of the swap space. IMHO
> you should forbid further allocations when your current buffer storage
> cannot be reclaimed. So you need some form of feedback mechanism that
> would tell you: "Your buffers have grown too much".

Yeah well, that is exactly what we are trying to do here.

> If you cannot do
> that then simply assume that you cannot swap at all rather than rely on
> having some portion of it for yourself. There are many other users of
> memory outside of your subsystem. Any scaling based on the 50% of resource
> belonging to me is simply broken.

Our intention is not reserve 50% of resources to TTM, but rather allow
TTM to abort when more than 50% of all resources are used up.

Rogers initial implementation didn't looked like that, but that is just
a minor mistake we can fix.

Regards,
Christian.

\
 
 \ /
  Last update: 2018-01-30 13:53    [W:0.048 / U:0.916 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site