lkml.org 
[lkml]   [2015]   [Nov]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Xen-devel] [PATCH RESEND] xen/gntdev: Grant maps should not be subject to NUMA balancing
On 10/11/15 20:10, Boris Ostrovsky wrote:
> Doing so will cause the grant to be unmapped and then, during
> fault handling, the fault to be mistakenly treated as NUMA hint
> fault.
>
> In addition, even if those maps could partcipate in NUMA
> balancing, it wouldn't provide any benefit since we are unable
> to determine physical page's node (even if/when VNUMA is
> implemented).
>
> Marking grant maps' VMAs as VM_IO will exclude them from being
> part of NUMA balancing.

Applied to for-linus-4.4, thanks.

David


\
 
 \ /
  Last update: 2015-11-26 19:01    [W:0.081 / U:0.084 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site