lkml.org 
[lkml]   [2012]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH -mm 4/7] mm: make page colouring code generic
On Mon, 18 Jun 2012 18:05:23 -0400
Rik van Riel <riel@redhat.com> wrote:

> From: Rik van Riel <riel@surriel.com>
>
> Fix the x86-64 page colouring code to take pgoff into account.

Could we please have a full description of what's wrong with the
current code?

> Use the x86 and MIPS page colouring code as the basis for a generic
> page colouring function.
>
> Teach the generic arch_get_unmapped_area(_topdown) code to call the
> page colouring code.
>
> Make sure that ALIGN_DOWN always aligns down, and ends up at the
> right page colour.

Some performance tests on the result would be interesting. iirc, we've
often had trouble demonstrating much or any benefit from coloring.



\
 
 \ /
  Last update: 2012-06-20 02:21    [W:1.342 / U:0.372 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site