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CVS commit: src/sys/arch/i386/i386



Module Name:    src
Committed By:   ad
Date:           Fri Mar  2 17:10:58 UTC 2007

Modified Files:
        src/sys/arch/i386/i386: pmap.c

Log Message:
pmap_reference, pmap_destroy: update the pmap reference count using
_lock_cas. This is ugly and needs to be redone when atomic ops are
available, but for now it knocks about 5% contention off the kernel
lock in one test that I have done.


To generate a diff of this commit:
cvs rdiff -r1.198 -r1.199 src/sys/arch/i386/i386/pmap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.




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