From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 2 Jul 2003 14:07:03 -0400 (EDT) From: Rik van Riel Subject: Re: What to expect with the 2.6 VM In-Reply-To: <461030000.1057165809@flay> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: "Martin J. Bligh" Cc: Andrea Arcangeli , Mel Gorman , Linux Memory Management List , Linux Kernel Mailing List List-ID: On Wed, 2 Jul 2003, Martin J. Bligh wrote: > Maybe I'm just taking this out of context, and it's twisting my brain, > but as far as I know, the nonlinear vma's *are* backed by pte_chains. They are, but IMHO they shouldn't be. The nonlinear vmas are used only for database shared memory segments and other "bypass the VM" applications, so I don't see any reason why we need to complicate things hopelessly in order to deal with corner cases like truncate. -- 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/ . Don't email: aart@kvack.org