From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f197.google.com (mail-yw0-f197.google.com [209.85.161.197]) by kanga.kvack.org (Postfix) with ESMTP id D80CD6B025E for ; Tue, 26 Jul 2016 13:29:48 -0400 (EDT) Received: by mail-yw0-f197.google.com with SMTP id u134so27680753ywg.2 for ; Tue, 26 Jul 2016 10:29:48 -0700 (PDT) Received: from imap.thunk.org (imap.thunk.org. [2600:3c02::f03c:91ff:fe96:be03]) by mx.google.com with ESMTPS id k130si476960ywb.42.2016.07.26.10.29.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Jul 2016 10:29:47 -0700 (PDT) Date: Tue, 26 Jul 2016 13:29:38 -0400 From: Theodore Ts'o Subject: Re: [PATCHv1, RFC 00/33] ext4: support of huge pages Message-ID: <20160726172938.GA9284@thunk.org> References: <1469493335-3622-1-git-send-email-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1469493335-3622-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: "Kirill A. Shutemov" Cc: Andreas Dilger , Jan Kara , Alexander Viro , Hugh Dickins , Andrea Arcangeli , Andrew Morton , Dave Hansen , Vlastimil Babka , Matthew Wilcox , Ross Zwisler , linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org On Tue, Jul 26, 2016 at 03:35:02AM +0300, Kirill A. Shutemov wrote: > Here's the first version of my patchset which intended to bring huge pages > to ext4. It's not yet ready for applying or serious use, but good enough > to show the approach. Thanks. The major issues I noticed when doing a quick scan of the patches you've already mentioned here. I'll try to take a closer look in the next week or so when I have time. One random question --- in the huge=always approach, how much additional work would be needed to support file systems with a 64k block size on a system with 4k pages? - Ted -- 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