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authorNick Piggin <nickpiggin@yahoo.com.au>2005-06-25 14:57:12 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:24:41 -0700
commit99b61ccf0bf0e9a85823d39a5db6a1519caeb13d (patch)
tree4d793013d9317928e04e7edfe1b5766dc5e84cca /kernel
parentdb935dbd43c4290d710304662cc908f733afea06 (diff)
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[PATCH] sched: less aggressive idle balancing
Remove the special casing for idle CPU balancing. Things like this are hurting for example on SMT, where are single sibling being idle doesn't really warrant a really aggressive pull over the NUMA domain, for example. Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 8b035a8b3c3..f665de34ed8 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1877,15 +1877,9 @@ nextgroup:
/* Get rid of the scaling factor, rounding down as we divide */
*imbalance = *imbalance / SCHED_LOAD_SCALE;
-
return busiest;
out_balanced:
- if (busiest && (idle == NEWLY_IDLE ||
- (idle == SCHED_IDLE && max_load > SCHED_LOAD_SCALE)) ) {
- *imbalance = 1;
- return busiest;
- }
*imbalance = 0;
return NULL;