From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 8 Nov 2004 16:56:49 +0000 (GMT) From: Hugh Dickins Subject: Re: removing mm->rss and mm->anon_rss from kernel? 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: Christoph Lameter Cc: "Martin J. Bligh" , Nick Piggin , Benjamin Herrenschmidt , linux-mm@kvack.org, linux-ia64@vger.kernel.org List-ID: On Mon, 8 Nov 2004, Christoph Lameter wrote: > > Removing realtime statistics would remove lots of code from the vm. Remove lots of code? Adding lots nastier. > Maintaining these counters requires locking which interferes with Nick's > and my attempts to parallelize the vm. Aren't you rather overestimating the importance of one single, ideally atomic, increment per page fault? It's great news if this is really the major scalability issue facing Linux. 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: aart@kvack.org