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-rw-r--r--init/Kconfig18
-rw-r--r--init/main.c1
2 files changed, 18 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index c7bac39d6c6..09c5c6431f4 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -921,6 +921,11 @@ config HAVE_PERF_EVENTS
help
See tools/perf/design.txt for details.
+config PERF_USE_VMALLOC
+ bool
+ help
+ See tools/perf/design.txt for details
+
menu "Kernel Performance Events And Counters"
config PERF_EVENTS
@@ -976,6 +981,19 @@ config PERF_COUNTERS
Say N if unsure.
+config DEBUG_PERF_USE_VMALLOC
+ default n
+ bool "Debug: use vmalloc to back perf mmap() buffers"
+ depends on PERF_EVENTS && DEBUG_KERNEL
+ select PERF_USE_VMALLOC
+ help
+ Use vmalloc memory to back perf mmap() buffers.
+
+ Mostly useful for debugging the vmalloc code on platforms
+ that don't require it.
+
+ Say N if unsure.
+
endmenu
config VM_EVENT_COUNTERS
diff --git a/init/main.c b/init/main.c
index 7449819a480..5988debfc50 100644
--- a/init/main.c
+++ b/init/main.c
@@ -778,7 +778,6 @@ static void __init do_initcalls(void)
*/
static void __init do_basic_setup(void)
{
- rcu_init_sched(); /* needed by module_init stage. */
init_workqueues();
cpuset_init_smp();
usermodehelper_init();