lkml.org 
[lkml]   [2014]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH 0/1] mm, shmem: map few pages around fault address if they are in page cache
Date
This is a follow-up patch for "mm: map few pages around fault address if they are in page cache"

We use the generic filemap_map_pages as ->map_pages in shmem/tmpfs.

Please consider applying.

=========================================================================
Below is just some simple experiment numbers from this patch, let me know if
you would like more:

Tested on Xeon machine with 64GiB of RAM, using the current default fault
order 4.

Sequential access 8GiB file
Baseline with-patch
1 thread
minor fault 205 101
time, seconds 7.94 7.82

Random access 8GiB file
Baseline with-patch
1 thread
minor fault 724 623
time, seconds 9.75 9.84


Ning Qu (1):
mm: implement ->map_pages for shmem/tmpfs

mm/shmem.c | 1 +
1 file changed, 1 insertion(+)

--
1.9.0.279.gdc9e3eb



\
 
 \ /
  Last update: 2014-03-01 00:01    [W:0.188 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site