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-rw-r--r--mm/Kconfig17
1 files changed, 17 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index fd6c9fe4b6ed..c2141dd639e3 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -909,6 +909,23 @@ config ANON_VMA_NAME
area from being merged with adjacent virtual memory areas due to the
difference in their name.
+config USERFAULTFD
+ bool "Enable userfaultfd() system call"
+ depends on MMU
+ help
+ Enable the userfaultfd() system call that allows to intercept and
+ handle page faults in userland.
+
+config HAVE_ARCH_USERFAULTFD_WP
+ bool
+ help
+ Arch has userfaultfd write protection support
+
+config HAVE_ARCH_USERFAULTFD_MINOR
+ bool
+ help
+ Arch has userfaultfd minor fault support
+
config PTE_MARKER
bool