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authorChen, Kenneth W <kenneth.w.chen@intel.com>2005-11-09 23:45:29 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-10 00:07:44 (GMT)
commita47ab9371e664952b1104a70ec8e9b74db3f7a5f (patch)
tree4efadd76dcd5c1712ce2e337ef2e8a87acdc8518 /kernel/module.c
parent6730c3c14421b7c924d06e31bb66e0adad225547 (diff)
downloadlinux-a47ab9371e664952b1104a70ec8e9b74db3f7a5f.tar.xz
[PATCH] optimize activate_task()
recalc_task_prio() is called from activate_task() to calculate dynamic priority and interactive credit for the activating task. For real-time scheduling process, all that dynamic calculation is thrown away at the end because rt priority is fixed. Patch to optimize recalc_task_prio() away for rt processes. Signed-off-by: Ken Chen <kenneth.w.chen@intel.com> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: Nick Piggin <piggin@cyberone.com.au> Cc: Con Kolivas <kernel@kolivas.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/module.c')
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