lkml.org 
[lkml]   [2016]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [HMM v13 04/18] mm/ZONE_DEVICE/free-page: callback when page is freed
From
Date


On 19/11/16 05:18, Jérôme Glisse wrote:
> When a ZONE_DEVICE page refcount reach 1 it means it is free and nobody
> is holding a reference on it (only device to which the memory belong do).
> Add a callback and call it when that happen so device driver can implement
> their own free page management.
>

Could you give an example of what their own free page management might look like?

Balbir Singh.

\
 
 \ /
  Last update: 2016-11-21 02:50    [W:0.667 / U:0.336 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site