Date: Wed, 28 Nov 2001 01:53:43 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: setantae <setantae@submonkey.net> Cc: =?iso-8859-1?Q?G=E9rard?= Roudier <groudier@free.fr>, Andrey Pugachev <A110C@svs.ru>, freebsd-hackers@FreeBSD.ORG Subject: Re: Does FreeBSD support copy-on-write pages? Message-ID: <Pine.BSF.4.21.0111280152410.13845-100000@InterJet.elischer.org> In-Reply-To: <20011127215236.GA16727@rhadamanth>
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386BSD got it from the MACH Vm=20 which was grafted into BSD some time in 1990 or the late 80's On Tue, 27 Nov 2001, setantae wrote: > On Tue, Nov 27, 2001 at 06:31:31PM +0100, G=E9rard Roudier wrote: > >=20 > >=20 > > On Tue, 27 Nov 2001, setantae wrote: > >=20 > > > On Tue, Nov 27, 2001 at 06:54:17PM -0000, Andrey Pugachev wrote: > > > > I am just curious, can FreeBSD kernel perform function called copy-= on-write? > > > > > > As far as I am aware, the BSD family of operating systems have always > > > used copy-on-write (at least since 4.3BSD). > >=20 > > My awareness is different and tells me that 4.3BSD had just vfork() but > > not COW yet, while System V had it years before. Sorry if I am wrong. >=20 > You're not. My bad. > At home now, and checking my daemon book I see SystemV, Release 2 got it = in > 1984, and it was introduced in 4.4BSD in 1993. >=20 > Ceri >=20 > --=20 > keep a mild groove on >=20 > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hackers" in the body of the message >=20 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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