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[PATCH] cpuset: minor code refinements 

A couple of minor code simplifications to the kernel/cpuset.c code.  No
functional change.  Just a little less code and a little more readable.

Signed-off-by: Paul Jackson <pj@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Paul Jackson 2006-12-06 20:36:15 -08:00 committed by Linus Torvalds
parent 5ec68b2e31
commit 696040670a
1 changed files with 4 additions and 5 deletions
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9
kernel/cpuset.c
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@ -729,9 +729,11 @@ static int validate_change(const struct cpuset *cur, const struct cpuset *trial)
}
/* Remaining checks don't apply to root cpuset */
if ((par = cur->parent) == NULL)
if (cur == &top_cpuset)
return 0;
par = cur->parent;
/* We must be a subset of our parent cpuset */
if (!is_cpuset_subset(trial, par))
return -EACCES;
@ -1060,10 +1062,7 @@ static int update_flag(cpuset_flagbits_t bit, struct cpuset *cs, char *buf)
cpu_exclusive_changed =
(is_cpu_exclusive(cs) != is_cpu_exclusive(&trialcs));
mutex_lock(&callback_mutex);
if (turning_on)
set_bit(bit, &cs->flags);
else
clear_bit(bit, &cs->flags);
cs->flags = trialcs.flags;
mutex_unlock(&callback_mutex);
if (cpu_exclusive_changed)