From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f198.google.com (mail-io0-f198.google.com [209.85.223.198]) by kanga.kvack.org (Postfix) with ESMTP id BFACE6B025E for ; Mon, 22 Aug 2016 09:25:06 -0400 (EDT) Received: by mail-io0-f198.google.com with SMTP id e70so320085583ioi.3 for ; Mon, 22 Aug 2016 06:25:06 -0700 (PDT) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com. [119.145.14.66]) by mx.google.com with ESMTPS id h63si10471179otb.237.2016.08.22.06.25.05 for (version=TLS1 cipher=AES128-SHA bits=128/128); Mon, 22 Aug 2016 06:25:06 -0700 (PDT) From: Xie Yisheng Subject: [RFC PATCH v3 2/2] arm64 Kconfig: Select gigantic page Date: Mon, 22 Aug 2016 21:20:04 +0800 Message-ID: <1471872004-59365-3-git-send-email-xieyisheng1@huawei.com> In-Reply-To: <1471872004-59365-1-git-send-email-xieyisheng1@huawei.com> References: <1471872004-59365-1-git-send-email-xieyisheng1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org, mhocko@kernel.org Cc: guohanjun@huawei.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, will.deacon@arm.com, mhocko@suse.com, dave.hansen@intel.com, sudeep.holla@arm.com, catalin.marinas@arm.com, mark.rutland@arm.com, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, mike.kravetz@oracle.com, n-horiguchi@ah.jp.nec.com Arm64 supports gigantic page after commit 084bd29810a5 ("ARM64: mm: HugeTLB support.") however, it can only be allocated at boottime and can't be freed. This patch selects ARCH_HAS_GIGANTIC_PAGE to make gigantic pages can be allocated and freed at runtime for arch arm64. Acked-by: Michal Hocko Acked-by: Catalin Marinas Signed-off-by: Xie Yisheng --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index bc3f00f..92217f6 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -9,6 +9,7 @@ config ARM64 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAS_GIGANTIC_PAGE select ARCH_HAS_KCOV select ARCH_HAS_SG_CHAIN select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST -- 1.7.12.4 -- 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