Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754096AbbGaOu2 (ORCPT ); Fri, 31 Jul 2015 10:50:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58909 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753674AbbGaOu1 (ORCPT ); Fri, 31 Jul 2015 10:50:27 -0400 Message-ID: <55BB8B2C.9040909@redhat.com> Date: Fri, 31 Jul 2015 16:50:20 +0200 From: Jerome Marchand User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: "Kirill A. Shutemov" , Andrew Morton , Andrea Arcangeli , Hugh Dickins CC: Dave Hansen , Mel Gorman , Rik van Riel , Vlastimil Babka , Christoph Lameter , Naoya Horiguchi , Steve Capper , "Aneesh Kumar K.V" , Johannes Weiner , Michal Hocko , Sasha Levin , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCHv9 11/36] mm: temporally mark THP broken References: <1437402069-105900-1-git-send-email-kirill.shutemov@linux.intel.com> <1437402069-105900-12-git-send-email-kirill.shutemov@linux.intel.com> In-Reply-To: <1437402069-105900-12-git-send-email-kirill.shutemov@linux.intel.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="K1pNWQnmGeLjMCrVi49Bl8D935hgF6phk" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2402 Lines: 68 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --K1pNWQnmGeLjMCrVi49Bl8D935hgF6phk Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 07/20/2015 04:20 PM, Kirill A. Shutemov wrote: > Up to this point we tried to keep patchset bisectable, but next patches= > are going to change how core of THP refcounting work. >=20 > It would be beneficial to split the change into several patches and mak= e > it more reviewable. Unfortunately, I don't see how we can achieve that > while keeping THP working. >=20 > Let's hide THP under CONFIG_BROKEN for now and bring it back when new > refcounting get established. >=20 > Signed-off-by: Kirill A. Shutemov > Tested-by: Sasha Levin > Tested-by: Aneesh Kumar K.V Acked-by: Jerome Marchand > --- > mm/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/mm/Kconfig b/mm/Kconfig > index e79de2bd12cd..c973f416cbe5 100644 > --- a/mm/Kconfig > +++ b/mm/Kconfig > @@ -410,7 +410,7 @@ config NOMMU_INITIAL_TRIM_EXCESS > =20 > config TRANSPARENT_HUGEPAGE > bool "Transparent Hugepage Support" > - depends on HAVE_ARCH_TRANSPARENT_HUGEPAGE > + depends on HAVE_ARCH_TRANSPARENT_HUGEPAGE && BROKEN > select COMPACTION > help > Transparent Hugepages allows the kernel to use huge pages and >=20 --K1pNWQnmGeLjMCrVi49Bl8D935hgF6phk Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJVu4ssAAoJEHTzHJCtsuoCZdAH/0JpJRIM3/b9D6QBRujMwT7W gEDMmkr/AhI8gfERZG3RLMTzT+U1KVQsaIW/sNLT87RayR1ZTk8AcEnbn4z7xhnJ yRwJoKk7nonVjZPEE6HRp8i7/OPOCeeTTT7X+U+Meav1BaNFPHLs+X7VKZ/dr6/k M6e3aeO0EKJ9qBRwTVclO39UuWJTv1R1mQR0L0acHw5c2nUfO5XxKloq+xhkPqRH YRmVNaXElxDL3Of4+58fCkVTNSCXrudYDiFB3bAdiHxaVsZvfv6TZM1DF9mwEk9z 0LrbcIfWVAwg9TfnzNbtlMC8UOAwr8eLhLJ1VLiNYBJQk+V6KJLJK00agfJ2yg0= =JaR9 -----END PGP SIGNATURE----- --K1pNWQnmGeLjMCrVi49Bl8D935hgF6phk-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/