From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx129.postini.com [74.125.245.129]) by kanga.kvack.org (Postfix) with SMTP id 229F86B0044 for ; Fri, 27 Jul 2012 11:55:40 -0400 (EDT) Date: Fri, 27 Jul 2012 10:55:37 -0500 (CDT) From: Christoph Lameter Subject: Re: Any reason to use put_page in slub.c? In-Reply-To: <1343391586-18837-1-git-send-email-glommer@parallels.com> Message-ID: References: <1343391586-18837-1-git-send-email-glommer@parallels.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Glauber Costa Cc: linux-mm@kvack.org, Pekka Enberg , David Rientjes , Andrew Morton On Fri, 27 Jul 2012, Glauber Costa wrote: > But I am still wondering if there is anything I am overlooking. put_page() is necessary because other subsystems may still be holding a refcount on the page (if f.e. there is DMA still pending to that page). -- 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