From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <45DB5365.2090207@redhat.com> Date: Tue, 20 Feb 2007 15:00:37 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [RFC][PATCH] mm: balance_dirty_pages() vs throttle_vm_writeout() deadlock References: <1171986565.23046.5.camel@twins> In-Reply-To: <1171986565.23046.5.camel@twins> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: linux-mm@kvack.org, Trond Myklebust , Andrew Morton List-ID: Peter Zijlstra wrote: > However unstable pages don't go away automagickally, they need a push. While > balance_dirty_pages() does this push, throttle_vm_writeout() doesn't. So we can > sit here ad infintum. That would certainly explain the bad interactive behaviour when doing heavy NFS writeouts! > Hence I propose to remove the NR_UNSTABLE_NFS count from throttle_vm_writeout(). As long as something else ensures that the unstable pages still get taken care of like they should, I guess... -- All Rights Reversed -- 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