Paul Menage 804b3c28a4 cgroups: add cpu_relax() calls in css_tryget() and cgroup_clear_css_refs() ...

css_tryget() and cgroup_clear_css_refs() contain polling loops; these
loops should have cpu_relax calls in them to reduce cross-cache traffic.

Signed-off-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2009-01-29 18:04:45 -08:00

13 KiB

Raw Blame History

View Raw