Date: Mon, 17 Nov 2003 22:24:42 +0100 From: Andre Oppermann <oppermann@pipeline.ch> To: Mike Silbersack <silby@silby.com> 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: <3FB93C9A.CC5D187E@pipeline.ch> References: <200311171822.hAHIMOr1038959@repoman.freebsd.org> <20031117140117.T3229@odysseus.silby.com>
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Mike Silbersack wrote: > > 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. :) Way cool! We should make a t-shirt for that ;-) -- Andre
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