Date: Mon, 03 Apr 2006 16:58:22 -0500 From: Alan Cox <alc@cs.rice.edu> To: Peter Wemm <peter@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/amd64 pmap.c src/sys/amd64/include pmap.h Message-ID: <44319A7E.7000607@cs.rice.edu> In-Reply-To: <200604032136.k33La1gw062206@repoman.freebsd.org> References: <200604032136.k33La1gw062206@repoman.freebsd.org>
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Peter Wemm wrote: >peter 2006-04-03 21:36:01 UTC > > FreeBSD src repository > > Modified files: > sys/amd64/amd64 pmap.c > sys/amd64/include pmap.h > Log: > Shrink the amd64 pv entry from 48 bytes to about 24 bytes. On a machine > with large mmap files mapped into many processes, this saves hundreds of > megabytes of ram. > > [snip] Have you run any performance tests? Alan
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