From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx184.postini.com [74.125.245.184]) by kanga.kvack.org (Postfix) with SMTP id D424B6B0031 for ; Mon, 16 Sep 2013 19:44:33 -0400 (EDT) From: "Luck, Tony" Subject: RE: [RESEND PATCH v2 1/4] mm/hwpoison: fix traverse hugetlbfs page to avoid printk flood Date: Mon, 16 Sep 2013 23:44:32 +0000 Message-ID: <3908561D78D1C84285E8C5FCA982C28F31CFD50B@ORSMSX106.amr.corp.intel.com> References: <1379202839-23939-1-git-send-email-liwanp@linux.vnet.ibm.com> <20130915001352.GQ18242@two.firstfloor.org> <3908561D78D1C84285E8C5FCA982C28F31CFD2D6@ORSMSX106.amr.corp.intel.com> <1379369397-ld8lbcn-mutt-n-horiguchi@ah.jp.nec.com> <20130916232345.GA3241@hacker.(null)> In-Reply-To: <20130916232345.GA3241@hacker.(null)> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Wanpeng Li , Naoya Horiguchi Cc: Andi Kleen , Andrew Morton , "Wu, Fengguang" , "gong.chen@linux.intel.com" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" >>Sorry, I have no meaningful progress on this. Splitting hugepages is not >>a trivial operation, and introduce more complexity on hugetlbfs code. >>I don't hit on any usecase of it rather than memory failure, so I'm not >>sure that it's worth doing now. > > Agreed. ;-) Agreed that huge pages should be split - or that it is not worth splitting = them? Actually I wonder how useful huge pages still are - transparent huge pages = may give most of the benefits without having to modify applications to use them= . Plus the kernel does know how to split them when an error occurs (which I c= are about more than most people). -Tony -- 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