From mboxrd@z Thu Jan 1 00:00:00 1970 From: Larry Bassel Subject: [PATCH, RFC 1/2] Add config option to enable FS/DAX PMD sharing Date: Thu, 9 May 2019 09:05:32 -0700 Message-ID: <1557417933-15701-2-git-send-email-larry.bassel@oracle.com> References: <1557417933-15701-1-git-send-email-larry.bassel@oracle.com> Return-path: In-Reply-To: <1557417933-15701-1-git-send-email-larry.bassel@oracle.com> Sender: linux-kernel-owner@vger.kernel.org To: mike.kravetz@oracle.com, willy@infradead.org, dan.j.williams@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org Cc: Larry Bassel List-Id: linux-nvdimm@lists.01.org If enabled, sharing of FS/DAX PMDs will be attempted. Signed-off-by: Larry Bassel --- arch/x86/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index e721273..e11702e 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -297,6 +297,9 @@ config ARCH_SUSPEND_POSSIBLE config ARCH_WANT_HUGE_PMD_SHARE def_bool y +config MAY_SHARE_FSDAX_PMD + def_bool y + config ARCH_WANT_GENERAL_HUGETLB def_bool y -- 1.8.3.1