From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A742EC4321A for ; Fri, 28 Jun 2019 18:47:59 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 84D1A214DA for ; Fri, 28 Jun 2019 18:47:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84D1A214DA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hgvuJ-0005Jq-5e; Fri, 28 Jun 2019 18:47:35 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hgvuH-0005Jl-PX for xen-devel@lists.xenproject.org; Fri, 28 Jun 2019 18:47:33 +0000 X-Inumbo-ID: 2edf92e6-99d5-11e9-b265-cb09fca2ac2c Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 2edf92e6-99d5-11e9-b265-cb09fca2ac2c; Fri, 28 Jun 2019 18:47:31 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 0F534AEAF; Fri, 28 Jun 2019 18:47:30 +0000 (UTC) Date: Fri, 28 Jun 2019 20:47:29 +0200 From: Michal Hocko To: Juergen Gross Message-ID: <20190628184729.GJ2751@dhcp22.suse.cz> References: <20190620160821.4210-1-jgross@suse.com> <20190628151749.GA2880@dhcp22.suse.cz> <52a8e6d9-003e-c802-b8ff-327a8c7913a5@suse.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <52a8e6d9-003e-c802-b8ff-327a8c7913a5@suse.com> User-Agent: Mutt/1.10.1 (2018-07-13) Subject: Re: [Xen-devel] [PATCH] mm: fix regression with deferred struct page init X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-mm@kvack.org, Alexander Duyck , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gRnJpIDI4LTA2LTE5IDE5OjM4OjEzLCBKdWVyZ2VuIEdyb3NzIHdyb3RlOgo+IE9uIDI4LjA2 LjE5IDE3OjE3LCBNaWNoYWwgSG9ja28gd3JvdGU6Cj4gPiBPbiBUaHUgMjAtMDYtMTkgMTg6MDg6 MjEsIEp1ZXJnZW4gR3Jvc3Mgd3JvdGU6Cj4gPiA+IENvbW1pdCAwZTU2YWNhZTRiNGRkNGE5ICgi bW06IGluaXRpYWxpemUgTUFYX09SREVSX05SX1BBR0VTIGF0IGEgdGltZQo+ID4gPiBpbnN0ZWFk IG9mIGRvaW5nIGxhcmdlciBzZWN0aW9ucyIpIGlzIGNhdXNpbmcgYSByZWdyZXNzaW9uIG9uIHNv bWUKPiA+ID4gc3lzdGVtcyB3aGVuIHRoZSBrZXJuZWwgaXMgYm9vdGVkIGFzIFhlbiBkb20wLgo+ ID4gPiAKPiA+ID4gVGhlIHN5c3RlbSB3aWxsIGp1c3QgaGFuZyBpbiBlYXJseSBib290Lgo+ID4g PiAKPiA+ID4gUmVhc29uIGlzIGFuIGVuZGxlc3MgbG9vcCBpbiBnZXRfcGFnZV9mcm9tX2ZyZWVs aXN0KCkgaW4gY2FzZSB0aGUgZmlyc3QKPiA+ID4gem9uZSBsb29rZWQgYXQgaGFzIG5vIGZyZWUg bWVtb3J5LiBkZWZlcnJlZF9ncm93X3pvbmUoKSBpcyBhbHdheXMKPiA+IAo+ID4gQ291bGQgeW91 IGV4cGxhaW4gaG93IHdlIGVuZGVkIHVwIHdpdGggdGhlIHpvbmUgaGF2aW5nIG5vIG1lbW9yeT8g SXMKPiA+IHhlbiAic3RlYWxpbmciIG1lbWJsb2NrIG1lbW9yeSB3aXRob3V0IGFkZGluZyBpdCB0 byBtZW1vcnkucmVzZXJ2ZWQ/Cj4gPiBJbiBvdGhlciB3b3JkcywgaG93IGRvIHdlIGVuZCB1cCB3 aXRoIGFuIGVtcHR5IHpvbmUgdGhhdCBoYXMgbm9uIHplcm8KPiA+IGVuZF9wZm4/Cj4gCj4gV2h5 IGRvIHlvdSB0aGluayBYZW4gaXMgc3RlYWxpbmcgdGhlIG1lbW9yeSBpbiBhbiBvZGQgd2F5Pwo+ IAo+IERvZXNuJ3QgZGVmZXJyZWRfaW5pdF9tZW1fcGZuX3JhbmdlX2luX3pvbmUoKSByZXR1cm4g ZmFsc2Ugd2hlbiBubyBmcmVlCj4gbWVtb3J5IGlzIGZvdW5kPyBTbyBleGFjdGx5IGlmIHRoZSBt ZW1vcnkgd2FzIGFkZGVkIHRvIG1lbW9yeS5yZXNlcnZlZAo+IHRoYXQgd2lsbCBoYXBwZW4uCgpZ b3UgYXJlIHJpZ2h0LiBJIG1hbmFnZWQgdG8gY29uZnVzZSBteXNlbGYgYW5kIHRob3VnaHQgdGhh dCBfX25leHRfbWVtX3JhbmdlCnJldHVybiBpbmRleCB0byBib3RoIG1lbWJsb2NrIHR5cGVzLiBC dXQgSSBhbSB3cm9uZyBoZXJlIGFuZCBpdCBleGNsdWRlcwp0eXBlX2IgcmVnaW9ucy4gSSBzaG91 bGQgaGF2ZSByZWFkIHRoZSBkb2N1bWVudGF0aW9uLiBNeSBiYWQgYW5kIHNvcnJ5CmZvciB0aGUg Y29uZnVzaW9uLgotLSAKTWljaGFsIEhvY2tvClNVU0UgTGFicwoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4t ZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9t YWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==