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[IA64] Scaling fix for simultaneous unaligned accesses

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Eliminate a hot shared cacheline that occurs if multiple cpus are
taking unaligned exceptions.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Jack Steiner 2006-01-24 16:32:11 -06:00 committed by Tony Luck
parent dc64161343
commit 79c83bd15a
1 changed files with 2 additions and 1 deletions
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3
arch/ia64/kernel/unaligned.c
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@ -1283,8 +1283,9 @@ within_logging_rate_limit (void)
if (jiffies - last_time > 5*HZ)
count = 0;
if (++count < 5) {
if (count < 5) {
last_time = jiffies;
count++;
return 1;
}
return 0;