Date: Mon, 17 Nov 2003 14:03:00 -0600 (CST) From: Mike Silbersack <silby@silby.com> To: Alan Cox <alc@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/include sf_buf.h src/sys/i386/i386 vm_machdep.c Message-ID: <20031117140117.T3229@odysseus.silby.com> In-Reply-To: <200311171822.hAHIMOr1038959@repoman.freebsd.org> References: <200311171822.hAHIMOr1038959@repoman.freebsd.org>
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On Mon, 17 Nov 2003, Alan Cox wrote: > alc 2003/11/17 10:22:24 PST > > FreeBSD src repository > > Modified files: > sys/i386/include sf_buf.h > sys/i386/i386 vm_machdep.c > Log: > - Change the i386's sf_buf implementation so that it never allocates > more than one sf_buf for one vm_page. To accomplish this, we add > a global hash table mapping vm_pages to sf_bufs and a reference > count to each sf_buf. (This is similar to the patches for RELENG_4 > at http://www.cs.princeton.edu/~yruan/debox/.) Cool! I should have the other two parts of the DeBox patch finished up within a week, so it sounds like 5.2 will really have turbocharged sendfile support. :) Mike "Silby" Silbersack
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