From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx175.postini.com [74.125.245.175]) by kanga.kvack.org (Postfix) with SMTP id E6CD66B00A9 for ; Wed, 22 May 2013 07:37:22 -0400 (EDT) Received: by mail-oa0-f53.google.com with SMTP id g12so2332661oah.40 for ; Wed, 22 May 2013 04:37:22 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1368321816-17719-35-git-send-email-kirill.shutemov@linux.intel.com> References: <1368321816-17719-1-git-send-email-kirill.shutemov@linux.intel.com> <1368321816-17719-35-git-send-email-kirill.shutemov@linux.intel.com> Date: Wed, 22 May 2013 19:37:22 +0800 Message-ID: Subject: Re: [PATCHv4 34/39] thp, mm: handle huge pages in filemap_fault() From: Hillf Danton Content-Type: text/plain; charset=UTF-8 Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Andrea Arcangeli , Andrew Morton , Al Viro , Hugh Dickins , Wu Fengguang , Jan Kara , Mel Gorman , linux-mm@kvack.org, Andi Kleen , Matthew Wilcox , "Kirill A. Shutemov" , Dave Hansen , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org On Sun, May 12, 2013 at 9:23 AM, Kirill A. Shutemov wrote: > From: "Kirill A. Shutemov" > > If caller asks for huge page (flags & FAULT_FLAG_TRANSHUGE), > filemap_fault() return it if there's a huge page already by the offset. > > If the area of page cache required to create huge is empty, we create a > new huge page and return it. > > Otherwise we return VM_FAULT_FALLBACK to indicate that fallback to small > pages is required. > s/small/regular/g ? -- 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