From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 23 Aug 2005 08:01:41 +0100 (BST) From: Hugh Dickins Subject: Re: [RFT][PATCH 2/2] pagefault scalability alternative In-Reply-To: <20050823053941.GB14497@wotan.suse.de> Message-ID: References: <20050823053941.GB14497@wotan.suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: Christoph Lameter , Nick Piggin , Linus Torvalds , Andrew Morton , linux-mm@kvack.org List-ID: On Tue, 23 Aug 2005, Andi Kleen wrote: > > Hmm - this means that a large munmap has to take another lock > for each freed page right? That could get a bit expensive. I do hope not! Where do you see that extra lock per page? (The patch doesn't bring in locking per page-table-entry, just locking per page-table.) Hugh -- 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: email@kvack.org