Date: Mon, 04 Jun 2007 09:32:19 -0700 From: Sam Leffler <sam@errno.com> To: Pyun YongHyeon <yongari@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/gem if_gem.c if_gemreg.h if_gemvar.h Message-ID: <46643E93.1000009@errno.com> In-Reply-To: <200706040601.l54615lN069185@repoman.freebsd.org> References: <200706040601.l54615lN069185@repoman.freebsd.org>
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Pyun YongHyeon wrote: > o Borrowed gem_defrag() from ath(4) which is supposed to be much > faster than m_defrag(9) since it's not need to defrag all > mbuf chains. We need to replace m_defrag w/ something that is not a performance bottleneck and has a sane calling api. It's been discussed in the past but been dropped (multiple times). The main issue is that the current m_defrag code is used for 2 totally different purposes and untangling them is a bunch of work. Sam
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