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
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
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