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authorCon Kolivas <kernel@kolivas.org>2006-03-31 02:31:29 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-31 12:18:59 -0800
commitd425b274ba83ba4e7746a40446ec0ba3267de51f (patch)
tree73d3342be7ba8ef8d18a8c3cc9fea6e026e2bffa /include
parent7c4bb1f9b3788309e1159961c606ba0bdf7ed382 (diff)
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op-kernel-dev-d425b274ba83ba4e7746a40446ec0ba3267de51f.tar.gz
[PATCH] sched: activate SCHED BATCH expired
To increase the strength of SCHED_BATCH as a scheduling hint we can activate batch tasks on the expired array since by definition they are latency insensitive tasks. Signed-off-by: Con Kolivas <kernel@kolivas.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sched.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index c4fd3fc..78c40dd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -484,6 +484,7 @@ struct signal_struct {
#define MAX_PRIO (MAX_RT_PRIO + 40)
#define rt_task(p) (unlikely((p)->prio < MAX_RT_PRIO))
+#define batch_task(p) (unlikely((p)->policy == SCHED_BATCH))
/*
* Some day this will be a full-fledged user tracking system..
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