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 SMTP id CCCB66B0124 for ; Wed, 22 Jul 2009 15:02:47 -0400 (EDT) Received: from localhost (smtp.ultrahosting.com [127.0.0.1]) by smtp.ultrahosting.com (Postfix) with ESMTP id 8C97982C5D2 for ; Wed, 22 Jul 2009 15:22:38 -0400 (EDT) Received: from smtp.ultrahosting.com ([74.213.175.254]) by localhost (smtp.ultrahosting.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tcA-lqKbF5uR for ; Wed, 22 Jul 2009 15:22:38 -0400 (EDT) Received: from gentwo.org (unknown [74.213.171.31]) by smtp.ultrahosting.com (Postfix) with ESMTP id D410082C5D4 for ; Wed, 22 Jul 2009 15:22:33 -0400 (EDT) Date: Wed, 22 Jul 2009 15:02:30 -0400 (EDT) From: Christoph Lameter Subject: Re: [patch 5/4] mm: document is_page_cache_freeable() In-Reply-To: <20090722175417.GA7059@cmpxchg.org> Message-ID: References: <1248166594-8859-1-git-send-email-hannes@cmpxchg.org> <1248166594-8859-4-git-send-email-hannes@cmpxchg.org> <20090722175031.GA3484@cmpxchg.org> <20090722175417.GA7059@cmpxchg.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Johannes Weiner Cc: Andrew Morton , KOSAKI Motohiro , linux-mm@kvack.org List-ID: > static inline int is_page_cache_freeable(struct page *page) > { > + /* > + * A freeable page cache page is referenced only by the caller > + * that isolated the page, the page cache itself and The page cache "itself"? This is the radix tree reference right? -- 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