From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id 2CEF76B0071 for ; Wed, 9 Jun 2010 19:46:07 -0400 (EDT) Date: Wed, 9 Jun 2010 16:45:33 -0700 From: Andrew Morton Subject: Re: [PATCH 2/2] mm: Implement writeback livelock avoidance using page tagging Message-Id: <20100609164533.9d5c34dd.akpm@linux-foundation.org> In-Reply-To: <1275676854-15461-3-git-send-email-jack@suse.cz> References: <1275676854-15461-1-git-send-email-jack@suse.cz> <1275676854-15461-3-git-send-email-jack@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Jan Kara Cc: linux-fsdevel@kernel.org, npiggin@suse.de, david@fromorbit.com, linux-mm@kvack.org List-ID: On Fri, 4 Jun 2010 20:40:54 +0200 Jan Kara wrote: > -#define RADIX_TREE_MAX_TAGS 2 > +#define RADIX_TREE_MAX_TAGS 3 Adds another eight bytes to the radix_tree_node, I think. What effect does this have upon the radix_tree_node_cachep packing for sl[aeiou]b? Please add to changelog if you can work it out ;). -- 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