From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f197.google.com (mail-pf0-f197.google.com [209.85.192.197]) by kanga.kvack.org (Postfix) with ESMTP id D716B6B025F for ; Fri, 20 Oct 2017 02:50:01 -0400 (EDT) Received: by mail-pf0-f197.google.com with SMTP id r6so8894059pfj.14 for ; Thu, 19 Oct 2017 23:50:01 -0700 (PDT) Received: from mga04.intel.com (mga04.intel.com. [192.55.52.120]) by mx.google.com with ESMTPS id b3si237643plr.706.2017.10.19.23.50.00 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Oct 2017 23:50:00 -0700 (PDT) Date: Fri, 20 Oct 2017 14:43:06 +0800 From: "Du, Changbin" Subject: Re: swapper/0: page allocation failure: order:0, mode:0x1204010(GFP_NOWAIT|__GFP_COMP|__GFP_RECLAIMABLE|__GFP_NOTRACK), nodemask=(null) Message-ID: <20171020064305.GA13688@intel.com> References: <20171019035641.GB23773@intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xHFwDpU9dbj6ez1V" Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: =?utf-8?B?0JzQuNGF0LDQuNC7INCT0LDQstGA0LjQu9C+0LI=?= Cc: "Du, Changbin" , linux-mm@kvack.org --xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 19, 2017 at 11:52:49PM +0500, =D0=9C=D0=B8=D1=85=D0=B0=D0=B8=D0= =BB =D0=93=D0=B0=D0=B2=D1=80=D0=B8=D0=BB=D0=BE=D0=B2 wrote: > On 19 October 2017 at 08:56, Du, Changbin wrote: > > On Thu, Oct 19, 2017 at 01:16:48AM +0500, =D0=9C=D0=B8=D1=85=D0=B0=D0= =B8=D0=BB =D0=93=D0=B0=D0=B2=D1=80=D0=B8=D0=BB=D0=BE=D0=B2 wrote: > > I am curious about this, how can slub try to alloc compound page but th= e order > > is 0? This is wrong. >=20 > Nobody seems to know how this could happen. Can any logs shed light on th= is? > After checking the code, kernel can handle such case. So please ignore my l= ast comment. The warning is reporting OOM, first you need confirm if you have enough free memory? If that is true, then it is not a programmer error. > -- > Best Regards, > Mike Gavrilov. --=20 Thanks, Changbin Du --xHFwDpU9dbj6ez1V Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJZ6Zr5AAoJEAanuZwLnPNUrj4H/3hHDXYAT9dmv0bCbqhe0b/f WkVt/RcUfQHH3Qe6Ciggl7FfmR2cOJFzLn8rsJqGQ/tdva3gKkgI+jno4N00nuEa TZf2wlrhI4vvKfPEaYXd1u0oXa/7NhUnuLzpK6x2TNzebuMU5QlhY/gTFXvxzVYI /dQvwIGS2mUT0hptzzPYKovx9SX0OZr0H1OnDFWcl2+NH5oq99OWjnTQG4EJUaXd 0YHQTnfQjR3ZfRPSR/E6nBvA9svBu75KkfM4FIHi/f46/UJgbIZHDkGBGLkNugMW 6Er5PPjhcIKYU4tp6p33YbEFjnX0OzFLf6LjYNDl1j9rWtNzM6AnYt+iZQ32c/I= =XQHO -----END PGP SIGNATURE----- --xHFwDpU9dbj6ez1V-- -- 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