From owner-freebsd-hackers Tue Nov 27 12:24:55 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from postfix2-2.free.fr (postfix2-2.free.fr [213.228.0.140]) by hub.freebsd.org (Postfix) with ESMTP id A24F437B41A for ; Tue, 27 Nov 2001 12:24:47 -0800 (PST) Received: from nas-cbv-7-22-105.dial.proxad.net (nas-cbv-7-22-105.dial.proxad.net [213.228.22.105]) by postfix2-2.free.fr (Postfix) with ESMTP id 3E5F95FB7A; Tue, 27 Nov 2001 21:24:45 +0100 (CET) Date: Tue, 27 Nov 2001 18:31:31 +0100 (CET) From: =?ISO-8859-1?Q?G=E9rard_Roudier?= X-X-Sender: To: setantae Cc: Andrey Pugachev , Subject: Re: Does FreeBSD support copy-on-write pages? In-Reply-To: <20011127190515.GA15358@rhadamanth> Message-ID: <20011127182404.F2369-100000@gerard> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, 27 Nov 2001, setantae wrote: > 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-w= rite? > > As far as I am aware, the BSD family of operating systems have always > used copy-on-write (at least since 4.3BSD). 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. G=E9rard. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message