X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=init%2FKconfig;h=bab643f7717f2a0be9b2b63d7c4d14acdb5a99e5;hb=b92a6edd4b77a8794adb497280beea5df5e59a14;hp=0b0e29ed82d12456860e70484d5a73877d5ef7d3;hpb=acce292c82d4d82d35553b928df2b0597c3a9c78;p=linux-2.6

diff --git a/init/Kconfig b/init/Kconfig
index 0b0e29ed82..bab643f771 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -7,7 +7,7 @@ config DEFCONFIG_LIST
 	default "/boot/config-$UNAME_RELEASE"
 	default "arch/$ARCH/defconfig"
 
-menu "Code maturity level options"
+menu "General setup"
 
 config EXPERIMENTAL
 	bool "Prompt for development and/or incomplete code/drivers"
@@ -61,9 +61,6 @@ config INIT_ENV_ARG_LIMIT
 	  Maximum of each of the number of arguments and environment
 	  variables passed to init from the kernel command line.
 
-endmenu
-
-menu "General setup"
 
 config LOCALVERSION
 	string "Local version - append to kernel release"
@@ -284,6 +281,27 @@ config CPUSETS
 
 	  Say N if unsure.
 
+config FAIR_GROUP_SCHED
+	bool "Fair group CPU scheduler"
+	default y
+	depends on EXPERIMENTAL
+	help
+	  This feature lets CPU scheduler recognize task groups and control CPU
+	  bandwidth allocation to such task groups.
+
+choice
+	depends on FAIR_GROUP_SCHED
+	prompt "Basis for grouping tasks"
+	default FAIR_USER_SCHED
+
+config FAIR_USER_SCHED
+	bool "user id"
+	help
+	  This option will choose userid as the basis for grouping
+	  tasks, thus providing equal CPU bandwidth to each user.
+
+endchoice
+
 config SYSFS_DEPRECATED
 	bool "Create deprecated sysfs files"
 	default y
@@ -340,7 +358,7 @@ endif
 config CC_OPTIMIZE_FOR_SIZE
 	bool "Optimize for size (Look out for broken compilers!)"
 	default y
-	depends on ARM || H8300 || EXPERIMENTAL
+	depends on ARM || H8300 || SUPERH || EXPERIMENTAL
 	help
 	  Enabling this option will pass "-Os" instead of "-O2" to gcc
 	  resulting in a smaller kernel.
@@ -468,25 +486,19 @@ config FUTEX
 	  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.
+	bool
 
 config EPOLL
 	bool "Enable eventpoll support" if EMBEDDED
 	default y
-	depends on ANON_INODES
+	select 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
+	select ANON_INODES
 	default y
 	help
 	  Enable the signalfd() system call that allows to receive signals
@@ -496,7 +508,8 @@ config SIGNALFD
 
 config TIMERFD
 	bool "Enable timerfd() system call" if EMBEDDED
-	depends on ANON_INODES
+	select ANON_INODES
+	depends on BROKEN
 	default y
 	help
 	  Enable the timerfd() system call that allows to receive timer
@@ -506,7 +519,7 @@ config TIMERFD
 
 config EVENTFD
 	bool "Enable eventfd() system call" if EMBEDDED
-	depends on ANON_INODES
+	select ANON_INODES
 	default y
 	help
 	  Enable the eventfd() system call that allows to receive both
@@ -546,7 +559,7 @@ config SLUB_DEBUG
 
 choice
 	prompt "Choose SLAB allocator"
-	default SLAB
+	default SLUB
 	help
 	   This option allows to select a slab allocator.
 
@@ -594,6 +607,19 @@ config BASE_SMALL
 	default 0 if BASE_FULL
 	default 1 if !BASE_FULL
 
+config PAGE_GROUP_BY_MOBILITY
+	bool "Group pages based on their mobility in the page allocator"
+	def_bool y
+	help
+	  The standard allocator will fragment memory over time which means
+	  that high order allocations will fail even if kswapd is running. If
+	  this option is set, the allocator will try and group page types
+	  based on their ability to migrate or reclaim. This is a best effort
+	  attempt at lowering fragmentation which a few workloads care about.
+	  The loss is a more complex allocator that may perform slower. If
+	  you are interested in working with large pages, say Y and set
+	  /proc/sys/vm/min_free_bytes to 16374. Otherwise say N
+
 menuconfig MODULES
 	bool "Enable loadable module support"
 	help