From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 26 May 2000 18:46:00 +0100 From: "Stephen C. Tweedie" Subject: Re: [RFC] 2.3/4 VM queues idea Message-ID: <20000526184600.T10082@redhat.com> References: <20000526120805.C10082@redhat.com> <20000526132219.C21510@pcep-jamie.cern.ch> <20000526141526.E10082@redhat.com> <20000526163129.B21662@pcep-jamie.cern.ch> <20000526153821.N10082@redhat.com> <20000526183640.A21731@pcep-jamie.cern.ch> <20000526174018.Q10082@redhat.com> <200005261655.JAA90389@apollo.backplane.com> <20000526190555.B21856@pcep-jamie.cern.ch> <200005261735.KAA90570@apollo.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200005261735.KAA90570@apollo.backplane.com>; from dillon@apollo.backplane.com on Fri, May 26, 2000 at 10:35:30AM -0700 Sender: owner-linux-mm@kvack.org Return-Path: To: Matthew Dillon Cc: Jamie Lokier , "Stephen C. Tweedie" , Rik van Riel , linux-mm@kvack.org List-ID: Hi, On Fri, May 26, 2000 at 10:35:30AM -0700, Matthew Dillon wrote: > > Hmm. I know apps which use madvise() to manage allocated/free pages > efficiently, but not any that use mprotect(). Persistent and distributed data stores use it to mark existing pages as PROT_NONE, so that they can trap accesses to the data and perform the necessary locking to make the local storage consistent with the on-disk data (persistent object stores) or with other machines in the cluster (for distributed shared memory). --Stephen -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/