Date: Sat, 07 Nov 1998 12:14:22 +0800 From: Peter Wemm <peter@netplex.com.au> To: Joseph Koshy <jkoshy@FreeBSD.ORG> Cc: roberto@keltia.freenix.fr, cvs-committers@hub.freebsd.org Subject: Re: cvs commit: src/sys/conf options param.c src/sys/kern init_sysent.c syscalls.c syscalls.master uipc_syscalls.c src/sys/sys mbuf.h socket.h socketvar.h syscall-hide.h syscall.h syscall.mk sysproto.h src/sys/vm vm_object.c Message-ID: <199811070414.MAA17924@spinner.netplex.com.au> In-Reply-To: Your message of "Fri, 06 Nov 1998 17:47:03 PST." <199811070147.RAA10097@freefall.freebsd.org>
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Joseph Koshy wrote: > > According to Ollivier Robert: > > > Except to my knowledge, UVM doesn't have a unified VM/buffer cache, one of > > the best features of FreeBSD (and that changes a lot of things > > performance-wise). > > Yes, the thesis explicitly mentions this as one of the areas of future > work. And a few weeks ago somebody posted about a prototype implementation. For read/writes, files are effectively mmap'ed by the kernel and the data copied too/from the user. ie: file IO is done via VM, the same way that SVR4/Sun/Solaris do it. Cheers, -Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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