From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx104.postini.com [74.125.245.104]) by kanga.kvack.org (Postfix) with SMTP id 3B2506B004D for ; Wed, 20 Jun 2012 12:12:49 -0400 (EDT) Message-ID: <4FE1F640.10803@redhat.com> Date: Wed, 20 Jun 2012 12:11:44 -0400 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 06/12] mm: Add get_kernel_page[s] for pinning of kernel addresses for I/O References: <1340185081-22525-1-git-send-email-mgorman@suse.de> <1340185081-22525-7-git-send-email-mgorman@suse.de> In-Reply-To: <1340185081-22525-7-git-send-email-mgorman@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Andrew Morton , Linux-MM , Linux-Netdev , Linux-NFS , LKML , David Miller , Trond Myklebust , Neil Brown , Christoph Hellwig , Peter Zijlstra , Mike Christie , Eric B Munson On 06/20/2012 05:37 AM, Mel Gorman wrote: > This patch adds two new APIs get_kernel_pages() and get_kernel_page() > that may be used to pin a vector of kernel addresses for IO. The initial > user is expected to be NFS for allowing pages to be written to swap > using aops->direct_IO(). Strictly speaking, swap-over-NFS only needs > to pin one page for IO but it makes sense to express the API in terms > of a vector and add a helper for pinning single pages. > > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel -- 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