Date: Sat, 29 May 2004 09:50:08 -0400 From: Bill Moran <wmoran@potentialtech.com> To: Geert Hendrickx <geert.hendrickx@ua.ac.be> Cc: freebsd-questions@freebsd.org Subject: Re: documentation on sysctl vm.defer_swapspace_pageouts? Message-ID: <40B89510.1060304@potentialtech.com> In-Reply-To: <20040529111710.GA515@lori.mine.nu> References: <20040529111710.GA515@lori.mine.nu>
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Geert Hendrickx wrote: > Hi, > > where can I find documentation on the vm.defer_swapspace_pageouts > sysctl? LINT only mentions it, without explaining, man sysctl doesn't > mention it at all, and even Google yields very few useful results... All I found in the source was this: "Give preference to dirty pages in mem" in src/sys/vm/vm_pageout.c, this is the description available from sysctl -d > I was looking for a way to tune swap-usage a bit, I heard Linux has a > "swappiness" setting (telling the kernel how easy it should go with > paging out), and I hoped FreeBSD would have something similar. > vm.defer_swapspace_pageouts might do the trick, but so it seems to be > poorly documented... Seems so. This might be a question better suited for hackers@ ... and then passed on to doc@ ... I believe there's an effort currently going on to document all sysctls ... -- Bill Moran Potential Technologies http://www.potentialtech.com
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