From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f52.google.com (mail-pa0-f52.google.com [209.85.220.52]) by kanga.kvack.org (Postfix) with ESMTP id 4C1BA6B0263 for ; Thu, 7 Apr 2016 01:38:09 -0400 (EDT) Received: by mail-pa0-f52.google.com with SMTP id td3so47920552pab.2 for ; Wed, 06 Apr 2016 22:38:09 -0700 (PDT) Received: from e28smtp09.in.ibm.com (e28smtp09.in.ibm.com. [125.16.236.9]) by mx.google.com with ESMTPS id bw8si9334541pad.127.2016.04.06.22.38.04 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 06 Apr 2016 22:38:05 -0700 (PDT) Received: from localhost by e28smtp09.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 7 Apr 2016 11:08:03 +0530 Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay05.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u375cFDk65077260 for ; Thu, 7 Apr 2016 11:08:15 +0530 Received: from d28av03.in.ibm.com (localhost [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u375brKN006351 for ; Thu, 7 Apr 2016 11:07:57 +0530 From: Anshuman Khandual Subject: [PATCH 09/10] powerpc/hugetlb: Selectively enable ARCH_ENABLE_HUGEPAGE_MIGRATION Date: Thu, 7 Apr 2016 11:07:43 +0530 Message-Id: <1460007464-26726-10-git-send-email-khandual@linux.vnet.ibm.com> In-Reply-To: <1460007464-26726-1-git-send-email-khandual@linux.vnet.ibm.com> References: <1460007464-26726-1-git-send-email-khandual@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: hughd@google.com, kirill@shutemov.name, n-horiguchi@ah.jp.nec.com, akpm@linux-foundation.org, mgorman@techsingularity.net, dave.hansen@intel.com, aneesh.kumar@linux.vnet.ibm.com, mpe@ellerman.id.au This change enables the config option ARCH_ENABLE_HUGEPAGE_MIGRATION depending on whether the platform has got ARCH_WANT_GENERAL_HUGETLB or not along with config option MIGRATION. In turn, it turns on the 'hugepage_migration_supported' function which is checked for feature presence during HugeTLB page migration and clears the way. Signed-off-by: Anshuman Khandual --- arch/powerpc/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 9b3ce18..f2a45eb 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -86,6 +86,10 @@ config GENERIC_HWEIGHT config ARCH_HAS_DMA_SET_COHERENT_MASK bool +config ARCH_ENABLE_HUGEPAGE_MIGRATION + def_bool y + depends on ARCH_WANT_GENERAL_HUGETLB && MIGRATION + config PPC bool default y -- 2.1.0 -- 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