From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 18 Feb 2002 22:22:44 -0300 (BRT) From: Rik van Riel Subject: Re: [RFC] Page table sharing In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Linus Torvalds Cc: Daniel Phillips , Hugh Dickins , dmccr@us.ibm.com, Kernel Mailing List , linux-mm@kvack.org, Robert Love , mingo@redhat.co, Andrew Morton , manfred@colorfullife.com, wli@holomorphy.com List-ID: On Mon, 18 Feb 2002, Linus Torvalds wrote: > On Tue, 19 Feb 2002, Daniel Phillips wrote: > > > > Thanks, here it is again. > > Daniel, there's something wrong in the locking. > Does anybody see any reason why this doesn't work totally without the > lock? We'll need protection from the swapout code. It would be embarassing if the page fault handler would run for one mm while kswapd was holding the page_table_lock for another mm. I'm not sure how the page_table_share_lock is supposed to fix that one, though. regards, Rik -- "Linux holds advantages over the single-vendor commercial OS" -- Microsoft's "Competing with Linux" document http://www.surriel.com/ http://distro.conectiva.com/ -- 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-mm.org/