Date: Wed, 10 Feb 1999 16:34:07 -0500 (EST) From: "John S. Dyson" <dyson@iquest.net> To: dg@root.com Cc: tlambert@primenet.com, dillon@apollo.backplane.com, kuku@gilberto.physik.RWTH-Aachen.DE, hackers@FreeBSD.ORG Subject: Re: portability of shm, mmap, pipes and socket IPC Message-ID: <199902102134.QAA02537@y.dyson.net> In-Reply-To: <199902101742.JAA17281@implode.root.com> from David Greenman at "Feb 10, 99 09:42:16 am"
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David Greenman said: > >> >:The overall size of the shared memory segment is limited to that > >> >: which can fit in the kernels virtual address space; this > >> >: artificially restricts the maximum size. > >> > >> That isn't true and hasn't been true for several years in FreeBSD. > > > >Are you sure? > > Yes, I'm quite sure. > DG's statement is accurate. I removed that very artificial restriction over 2 yrs ago. There is no reason to use KVA space for data that the kernel never needs to see. Correcting that deficit was pretty much on my list as soon as I saw that problem when FreeBSD made it an official part of the distribution. -- John | Never try to teach a pig to sing, dyson@iquest.net | it makes one look stupid jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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