linux-kernel - [PATCH v6 22/23] mm: Enable PTE markers by default

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Message-Id: <20211115080353.75322-1-peterx@redhat.com>
Date:   Mon, 15 Nov 2021 16:03:53 +0800
From:   Peter Xu <peterx@...hat.com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     Nadav Amit <nadav.amit@...il.com>, peterx@...hat.com,
        Alistair Popple <apopple@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Matthew Wilcox <willy@...radead.org>,
        Jerome Glisse <jglisse@...hat.com>,
        Axel Rasmussen <axelrasmussen@...gle.com>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        David Hildenbrand <david@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Hugh Dickins <hughd@...gle.com>
Subject: [PATCH v6 22/23] mm: Enable PTE markers by default

Enable PTE markers by default.  On x86_64 it means it'll auto-enable
PTE_MARKER_UFFD_WP as well.

Signed-off-by: Peter Xu <peterx@...hat.com>
---
 mm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/Kconfig b/mm/Kconfig
index f01c8e0afadf..401e4dff5f42 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -898,7 +898,7 @@ config SECRETMEM
 	def_bool ARCH_HAS_SET_DIRECT_MAP && !EMBEDDED
 
 config PTE_MARKER
-	def_bool n
+	def_bool y
 	bool "Marker PTEs support"
 
 	help
-- 
2.32.0