diff options
| author | Andrea Arcangeli <[email protected]> | 2015-09-04 15:46:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2015-09-04 16:54:41 -0700 |
| commit | a14c151e567cb2c3e62611da808a8bdab86fdee5 (patch) | |
| tree | b4161a242eff239842da903da1877672eed387bf | |
| parent | 8d2afd96c20316d112e04d935d9e09150e988397 (diff) | |
userfaultfd: buildsystem activation
This allows to select the userfaultfd during configuration to build it.
Signed-off-by: Andrea Arcangeli <[email protected]>
Acked-by: Pavel Emelyanov <[email protected]>
Cc: Sanidhya Kashyap <[email protected]>
Cc: [email protected]
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Andres Lagar-Cavilla <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Peter Feiner <[email protected]>
Cc: "Dr. David Alan Gilbert" <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: "Huangpeng (Peter)" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | fs/Makefile | 1 | ||||
| -rw-r--r-- | init/Kconfig | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/fs/Makefile b/fs/Makefile index 09e051fefc5b..f79cf4043e60 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_ANON_INODES) += anon_inodes.o obj-$(CONFIG_SIGNALFD) += signalfd.o obj-$(CONFIG_TIMERFD) += timerfd.o obj-$(CONFIG_EVENTFD) += eventfd.o +obj-$(CONFIG_USERFAULTFD) += userfaultfd.o obj-$(CONFIG_AIO) += aio.o obj-$(CONFIG_FS_DAX) += dax.o obj-$(CONFIG_FILE_LOCKING) += locks.o diff --git a/init/Kconfig b/init/Kconfig index bb9b4dd55889..161acd8bc56f 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1576,6 +1576,17 @@ config ADVISE_SYSCALLS applications use these syscalls, you can disable this option to save space. +config USERFAULTFD + bool "Enable userfaultfd() system call" + select ANON_INODES + default y + depends on MMU + help + Enable the userfaultfd() system call that allows to intercept and + handle page faults in userland. + + If unsure, say Y. + config PCI_QUIRKS default y bool "Enable PCI quirk workarounds" if EXPERT |