From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 19 Jan 2001 12:49:38 +0100 (CET) From: Ingo Molnar Reply-To: Subject: Re: [RFC] 2-pointer PTE chaining idea 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: "David S. Miller" , Rik van Riel , linux-mm@kvack.org, "Stephen C. Tweedie" , Matthew Dillon List-ID: On Thu, 18 Jan 2001, Linus Torvalds wrote: > Whatever. Maybe it can be done other ways. The fact that the way I > thought to implement it was with an order-2 allocation to do this > efficiently is what really killed it for me. [...] it can be done by 'implicitly' linking the soft and hard table via putting it on the same 8K-aligned order-2 page, but linking them through their mem_map[] entries. The fields of mem_map[] entries of ordinary pagetables are largely unused, they are privately allocated pages. Ingo -- 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/