git: kernel - Reduce the size of the callout wheel
dillon at crater.dragonflybsd.org
Mon Dec 10 15:14:37 PST 2012
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date: Mon Dec 10 15:11:46 2012 -0800
kernel - Reduce the size of the callout wheel
* The callout wheel is per-cpu but ncallout is calculated based on memory.
A system with many cpus tended to allocate an excessive amount of memory
in aggregate for the callout wheels.
* Reduce the size of the per-cpu callout wheel by approximately a factor
of (ncpus). On a 16G machine with 8 cores, aggregate callout wheel
allocations is reduced from 128MB to 16MB.
Summary of changes:
sys/kern/kern_timeout.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
DragonFly BSD source repository
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