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x86: use percpu data for 4k hardirq and softirq stacks
authorLai Jiangshan <laijs@cn.fujitsu.com>
Tue, 17 Feb 2009 03:46:42 +0000 (11:46 +0800)
committerTejun Heo <tj@kernel.org>
Fri, 20 Feb 2009 07:26:10 +0000 (16:26 +0900)
Impact: economize memory for large NR_CPUS

percpu data is setup earlier than irq, we can use percpu data
to economize memory.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

No differences found
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