lkml.org 
[lkml]   [2011]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch v3]numa: add a sysctl to control interleave allocation granularity from each node to improve I/O performance
On Tue, Dec 13, 2011 at 02:12:58PM -0600, Christoph Lameter wrote:
> On Tue, 13 Dec 2011, Andi Kleen wrote:
>
> > I would prefer to add a new policy (INTERLEAVE_MULTI or so) for this
> > instead of a global sysctl, that takes the additional parameter.
>
> That would require a change of all scripts and code that uses
> MPOL_INTERLEAVE. Lets not do that.

Yes, but setting a sysctl would need the same right?

It's not clear that all workloads want this.

With a global switch only you cannot set it case by case.

-Andi
--
ak@linux.intel.com -- Speaking for myself only


\
 
 \ /
  Last update: 2011-12-13 21:41    [W:0.185 / U:0.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site