git: kernel - Fix lwbuf leak for i386
commit 8d79eb09eb976887c3548dee6e130560cf72c854
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date: Tue Mar 30 23:45:52 2010 -0700
kernel - Fix lwbuf leak for i386
* lwbufs were not being freed back to the originating cpu, creating a
situation where an infinite number of lwbufs could be allocated.
* Refactor the lwbuf code for i386. Track the cpu in the lwbuf, remove
lwbuf_free_kvp, track the number of lwbufs on the free list for each
cpu.
Free a lwbuf back to the cpu it was originally created on.
Destroy lwbufs and related kmem if the number of free lwbufs on a cpu
exceeds 256.
* This is a temporary fix until the i386 code can be adjusted to use the
objcache again.
Summary of changes:
sys/cpu/i386/include/lwbuf.h | 13 ++--
sys/cpu/i386/misc/lwbuf.c | 110 ++++++++++++++------------------
sys/platform/pc32/include/globaldata.h | 3 +-
3 files changed, 56 insertions(+), 70 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/8d79eb09eb976887c3548dee6e130560cf72c854
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DragonFly BSD source repository
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