Date: Thu, 8 Nov 2001 13:46:53 -0500 From: "Jason Mawdsley" <jason@macadamian.com> To: "Alfred Perlstein" <bright@mu.org> Cc: <freebsd-hackers@FreeBSD.ORG> Subject: Re: mmap/madvise Message-ID: <01b501c16885$bc64db70$2a64a8c0@macadamian.com> References: <016501c16878$4c80d3c0$2a64a8c0@macadamian.com> <20011108122150.W89342@elvis.mu.org>
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> > Hi hackers! > > > > I am looking for a way to reserve memory, without actually allocating the > > swap space. > > > > The FreeBSD man page for mmap doesn't mention MAP_NORESERVE, but it is in > > sys/mman.h. > > > > Is that flag implemented, and external? > > > > Or is their a better way to do this? > > Just proceed normally, freebsd does overcommit such that you really > don't need to do anything special to get the results you desire. I am not sure I understand what you mean by that. I want to be able to reserve a large track of memory, and then commit a page when I need it. Pretty much what VirtualAlloc is doing on Windows. Did you mean doesn't overcommit? TIA Jason Mawdsley ~ jason@macadamian.com m_ a c a d a m i a n t e c h n o l o g i e s "Software developers for the world's leading technology companies." http://www.macadamian.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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