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sched: Reorder root_domain to remove 64 bit alignment padding

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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>
This commit is contained in:
Richard Kennedy
2011-07-15 11:41:31 +01:00
committed by Ingo Molnar
parent 99bc52429f
commit 26a148eb9c
1 changed files with 1 additions and 1 deletions
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kernel/sched.c
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@@ -422,6 +422,7 @@ struct rt_rq {
*/ */
struct root_domain { struct root_domain {
atomic_t refcount; atomic_t refcount;
atomic_t rto_count;
struct rcu_head rcu; struct rcu_head rcu;
cpumask_var_t span; cpumask_var_t span;
cpumask_var_t online; cpumask_var_t online;
@@ -431,7 +432,6 @@ struct root_domain {
* one runnable RT task. * one runnable RT task.
*/ */
cpumask_var_t rto_mask; cpumask_var_t rto_mask;
atomic_t rto_count;
struct cpupri cpupri; struct cpupri cpupri;
}; };