Blackfin arch: Change NO_ACCESS_CHECK to ACCESS_CHECK

[linux-2.6-omap-h63xx.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index 4ad6de163238f2bfc252e0cc9ef6c6dc2548e34b..a9e99f8328ff485386faf668b61ee59c7a1fb085 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -143,9 +143,7 @@ config POSIX_MQUEUE
          queues every message has a priority which decides about succession
          of receiving it by a process. If you want to compile and run
          programs written e.g. for Solaris with use of its POSIX message
-         queues (functions mq_*) say Y here. To use this feature you will
-         also need mqueue library, available from
-         <http://www.mat.uni.torun.pl/~wrona/posix_ipc/>
+         queues (functions mq_*) say Y here.
 
          POSIX message queues are visible as a filesystem called 'mqueue'
          and can be mounted somewhere if you want to do filesystem
@@ -308,7 +306,7 @@ config SYSFS_DEPRECATED
          releases.
 
          If enabled, this option will also move any device structures
-         that belong to a class, back into the /sys/class heirachy, in
+         that belong to a class, back into the /sys/class hierarchy, in
          order to support older versions of udev.
 
          If you are using a distro that was released in 2006 or later,
@@ -477,13 +475,53 @@ config FUTEX
          support for "fast userspace mutexes".  The resulting kernel may not
          run glibc-based applications correctly.
 
+config ANON_INODES
+       bool "Enable anonymous inode source" if EMBEDDED
+       default y
+       help
+         Anonymous inode source for pseudo-files like epoll, signalfd,
+         timerfd and eventfd.
+
+         If unsure, say Y.
+
 config EPOLL
        bool "Enable eventpoll support" if EMBEDDED
        default y
+       depends on ANON_INODES
        help
          Disabling this option will cause the kernel to be built without
          support for epoll family of system calls.
 
+config SIGNALFD
+       bool "Enable signalfd() system call" if EMBEDDED
+       depends on ANON_INODES
+       default y
+       help
+         Enable the signalfd() system call that allows to receive signals
+         on a file descriptor.
+
+         If unsure, say Y.
+
+config TIMERFD
+       bool "Enable timerfd() system call" if EMBEDDED
+       depends on ANON_INODES
+       default y
+       help
+         Enable the timerfd() system call that allows to receive timer
+         events on a file descriptor.
+
+         If unsure, say Y.
+
+config EVENTFD
+       bool "Enable eventfd() system call" if EMBEDDED
+       depends on ANON_INODES
+       default y
+       help
+         Enable the eventfd() system call that allows to receive both
+         kernel notification (ie. KAIO) or userspace notifications.
+
+         If unsure, say Y.
+
 config SHMEM
        bool "Use full shmem filesystem" if EMBEDDED
        default y
@@ -507,6 +545,7 @@ config VM_EVENT_COUNTERS
 config SLUB_DEBUG
        default y
        bool "Enable SLUB debugging support" if EMBEDDED
+       depends on SLUB
        help
          SLUB has extensive debug support features. Disabling these can
          result in significant savings in code size. This also disables
@@ -528,7 +567,6 @@ config SLAB
          a slab allocator.
 
 config SLUB
-       depends on EXPERIMENTAL && !ARCH_USES_SLAB_PAGE_STRUCT
        bool "SLUB (Unqueued Allocator)"
        help
           SLUB is a slab allocator that minimizes cache line usage
@@ -538,14 +576,11 @@ config SLUB
           and has enhanced diagnostics.
 
 config SLOB
-#
-#      SLOB does not support SMP because SLAB_DESTROY_BY_RCU is unsupported
-#
-       depends on EMBEDDED && !SMP && !SPARSEMEM
+       depends on EMBEDDED && !SPARSEMEM
        bool "SLOB (Simple Allocator)"
        help
           SLOB replaces the SLAB allocator with a drastically simpler
-          allocator.  SLOB is more space efficient that SLAB but does not
+          allocator.  SLOB is more space efficient than SLAB but does not
           scale well (single lock for all operations) and is also highly
           susceptible to fragmentation. SLUB can accomplish a higher object
           density. It is usually better to use SLUB instead of SLOB.