[lkml]   [2019]   [Apr]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: On guest free page hinting and OOM
On Tue, Apr 02, 2019 at 04:43:03PM -0700, Alexander Duyck wrote:
> Yes, but hopefully it should be a small enough amount that nobody will
> notice. In many cases devices such as NICs can consume much more than
> this regularly for just their Rx buffers and it is not an issue. There
> has to be a certain amount of overhead that any given device is
> allowed to consume. If we contain the balloon hinting to just 64M that
> should be a small enough amount that nobody would notice in practice.

I am still inclined to add ability for balloon to exit to host on OOM
if any hints are outstanding.

If nothing else will be helpful for stats.


 \ /
  Last update: 2019-04-04 15:29    [W:0.083 / U:3.764 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site