https://github.com/torvalds/linux
Revision 50b926e439620c469565e8be0f28be78f5fca1ce authored by Mike Galbraith on 04 January 2010, 13:44:56 UTC, committed by Ingo Molnar on 21 January 2010, 12:39:03 UTC
SD_PREFER_SIBLING is set at the CPU domain level if power saving isn't
enabled, leading to many cache misses on large machines as we traverse
looking for an idle shared cache to wake to.  Change the enabler of
select_idle_sibling() to SD_SHARE_PKG_RESOURCES, and enable same at the
sibling domain level.

Reported-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1262612696.15495.15.camel@marge.simson.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
1 parent 24bc734
History
Tip revision: 50b926e439620c469565e8be0f28be78f5fca1ce authored by Mike Galbraith on 04 January 2010, 13:44:56 UTC
sched: Fix vmark regression on big machines
Tip revision: 50b926e
File Mode Size
Documentation
arch
block
crypto
drivers
firmware
fs
include
init
ipc
kernel
lib
mm
net
samples
scripts
security
sound
tools
usr
virt
.gitignore -rw-r--r-- 843 bytes
.mailmap -rw-r--r-- 3.9 KB
COPYING -rw-r--r-- 18.3 KB
CREDITS -rw-r--r-- 91.8 KB
Kbuild -rw-r--r-- 2.4 KB
MAINTAINERS -rw-r--r-- 160.2 KB
Makefile -rw-r--r-- 52.0 KB
README -rw-r--r-- 17.0 KB
REPORTING-BUGS -rw-r--r-- 3.3 KB

README

back to top