From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: Why *not* rmap, anyway? References: <20020507192547.GU15756@holomorphy.com> From: Momchil Velikov In-Reply-To: Date: 08 May 2002 10:59:12 +0300 Message-ID: <87n0vbrrxr.fsf@fadata.bg> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org Return-Path: To: Daniel Phillips Cc: William Lee Irwin III , Rik van Riel , Christian Smith , Joseph A Knapka , "Martin J. Bligh" , linux-mm@kvack.org List-ID: >>>>> "Daniel" == Daniel Phillips writes: Daniel> On Tuesday 07 May 2002 21:25, William Lee Irwin III wrote: >> Procedural interfaces to pagetable manipulations are largely what >> the BSD pmap and SVR4 HAT layers consisted of, no? Daniel> They factor the interface the wrong way for Linux. You don't want Daniel> to have to search for each (pte *) starting from the top of the Daniel> structure. We need to be able to do bulk processing. The BSD Daniel> interface just doesn't accomodate this. FWIW, UVM has a mechanism to traverse all the mapped pages, as opposed to traversing all the addresses and checking of there is a page. My 2c, -velco -- 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/