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(parent: 58105ef) | patch
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)
commit42f8faecf7a88371de0f30aebb052d1ae51762c0
treed8800a1ea5f697f6870abc51d0a626c6440e4e51tree
parent58105ef1857112a186696c9b8957020090226a28commit | diff
x86: use percpu data for 4k hardirq and softirq stacks

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>
arch/x86/kernel/irq_32.c diff | blob | history
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