CVS commit: src/sys/uvm

["Mindaugas Rasiukevicius" <rmind%netbsd.org@localhost>]

Module Name:    src
Committed By:   rmind
Date:           Fri Apr  1 00:47:12 UTC 2011

Modified Files:
        src/sys/uvm: uvm_page.c

Log Message:
uvm_pageidlezero: use try-lock to not occupy uvm_fpageqlock, which may
be on demand by other CPUs.  Reduces lock contention in some workloads
on many CPU (8+) systems.

Tested by tls@.


To generate a diff of this commit:
cvs rdiff -u -r1.171 -r1.172 src/sys/uvm/uvm_page.c

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