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From: Larry Bassel <larry.bassel@oracle.com>
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 <larry.bassel@oracle.com>
Subject: [PATCH, RFC 1/2] Add config option to enable FS/DAX PMD sharing
Date: Thu,  9 May 2019 09:05:32 -0700	[thread overview]
Message-ID: <1557417933-15701-2-git-send-email-larry.bassel@oracle.com> (raw)
In-Reply-To: <1557417933-15701-1-git-send-email-larry.bassel@oracle.com>

If enabled, sharing of FS/DAX PMDs will be attempted.

Signed-off-by: Larry Bassel <larry.bassel@oracle.com>
---
 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


  reply	other threads:[~2019-05-09 16:09 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09 16:05 [PATCH, RFC 0/2] Share PMDs for FS/DAX on x86 Larry Bassel
2019-05-09 16:05 ` Larry Bassel [this message]
2019-05-10 16:32   ` [PATCH, RFC 1/2] Add config option to enable FS/DAX PMD sharing Elliott, Robert (Servers)
2019-05-10 18:14     ` Dan Williams
2019-05-09 16:05 ` [PATCH, RFC 2/2] Implement sharing/unsharing of PMDs for FS/DAX Larry Bassel
2019-05-09 16:49   ` Matthew Wilcox
2019-05-10 16:16     ` Larry Bassel
2019-05-10 22:45       ` Mike Kravetz
2019-05-14 13:01   ` Kirill A. Shutemov
2019-05-24 16:07     ` Larry Bassel
2019-05-24 17:02       ` Dan Williams
2019-06-12  2:07       ` Kirill A. Shutemov
2019-05-14 12:28 ` [PATCH, RFC 0/2] Share PMDs for FS/DAX on x86 Kirill A. Shutemov
2019-05-14 16:09   ` Larry Bassel

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