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authorPeter Xu <peterx@redhat.com>2023-11-23 17:42:04 -0500
committerAndrew Morton <akpm@linux-foundation.org>2023-12-06 16:12:47 -0800
commit97219cc358ad156ec5b170c2ed6f44278932c63c (patch)
treebe3e25560dbbfffd15e8baebc7e5d48dfd069c2e /mm/Kconfig
parentf39fb633fe9b9a4a7572ec32debf766d971a500b (diff)
mm/Kconfig: make userfaultfd a menuconfig
PTE_MARKER_UFFD_WP is a subconfig for userfaultfd. To make it clear, switch to use menuconfig for userfaultfd. Link: https://lkml.kernel.org/r/20231123224204.1060152-1-peterx@redhat.com Signed-off-by: Peter Xu <peterx@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Peter Xu <peterx@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/Kconfig')
-rw-r--r--mm/Kconfig16
1 files changed, 9 insertions, 7 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 89971a894b60..57cd378c73d6 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -1201,13 +1201,6 @@ 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
@@ -1218,6 +1211,14 @@ config HAVE_ARCH_USERFAULTFD_MINOR
help
Arch has userfaultfd minor fault support
+menuconfig 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.
+
+if USERFAULTFD
config PTE_MARKER_UFFD_WP
bool "Userfaultfd write protection support for shmem/hugetlbfs"
default y
@@ -1227,6 +1228,7 @@ config PTE_MARKER_UFFD_WP
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.
+endif # USERFAULTFD
# multi-gen LRU {
config LRU_GEN