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-rw-r--r--mm/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 2262f211b53e..71c653260a44 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -915,6 +915,15 @@ config PTE_MARKER
help
Allows to create marker PTEs for file-backed memory.
+config PTE_MARKER_UFFD_WP
+ bool "Marker PTEs support for userfaultfd write protection"
+ depends on PTE_MARKER && HAVE_ARCH_USERFAULTFD_WP
+
+ help
+ Allows to create marker PTEs for userfaultfd write protection
+ purposes. It is required to enable userfaultfd write protection on
+ file-backed memory types like shmem and hugetlbfs.
+
source "mm/damon/Kconfig"
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