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| author | Richard Kennedy <richard@rsk.demon.co.uk> | 2011-07-15 11:41:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-07-21 18:01:52 +0200 |
| commit | 26a148eb9c790149750f7e77da0d96029443d400 (patch) | |
| tree | 25d64457be424e6072dd5d7a75c868615dc3b063 /kernel | |
| parent | 99bc52429f11d1f4f81495ac8237085aaeb6bccf (diff) | |
| download | linux-stable-26a148eb9c790149750f7e77da0d96029443d400.tar.gz linux-stable-26a148eb9c790149750f7e77da0d96029443d400.tar.bz2 linux-stable-26a148eb9c790149750f7e77da0d96029443d400.zip | |
sched: Reorder root_domain to remove 64 bit alignment padding
Reorder root_domain to remove 8 bytes of alignment padding on 64 bit
builds, this shrinks the size from 1736 to 1728 bytes, therefore using
one fewer cachelines.
Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1310726492.1977.5.camel@castor.rsk
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index f107204db53f..e3f0bac05270 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -422,6 +422,7 @@ struct rt_rq { */ struct root_domain { atomic_t refcount; + atomic_t rto_count; struct rcu_head rcu; cpumask_var_t span; cpumask_var_t online; @@ -431,7 +432,6 @@ struct root_domain { * one runnable RT task. */ cpumask_var_t rto_mask; - atomic_t rto_count; struct cpupri cpupri; }; |