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authorLinus Torvalds <torvalds@g5.osdl.org>2005-10-17 09:10:15 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-17 09:10:15 -0700
commit2cc78eb52bc1ae89f0a4fa5a00eb998dffde4a9f (patch)
tree27422cfcf8f403e5aa25e98148c225dbedb027c5 /kernel/rcupdate.c
parentde21eb63add932c61e018d20a760dcaed8c3e40c (diff)
Increase default RCU batching sharply
Dipankar made RCU limit the batch size to improve latency, but that approach is unworkable: it can cause the RCU queues to grow without bounds, since the batch limiter ended up limiting the callbacks. So make the limit much higher, and start planning on instead limiting the batch size by doing RCU callbacks more often if the queue looks like it might be growing too long. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/rcupdate.c')
-rw-r--r--kernel/rcupdate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index bef3b6901b76..dd99415b1551 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -71,7 +71,7 @@ DEFINE_PER_CPU(struct rcu_data, rcu_bh_data) = { 0L };
/* Fake initialization required by compiler */
static DEFINE_PER_CPU(struct tasklet_struct, rcu_tasklet) = {NULL};
-static int maxbatch = 10;
+static int maxbatch = 10000;
#ifndef __HAVE_ARCH_CMPXCHG
/*

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