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-rw-r--r--init/Kconfig13
-rw-r--r--init/do_mounts.c2
-rw-r--r--init/main.c5
3 files changed, 18 insertions, 2 deletions
diff --git a/init/Kconfig b/init/Kconfig
index e11bc79..bd1ea92 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -779,6 +779,19 @@ config NET_NS
endif # NAMESPACES
+config SCHED_AUTOGROUP
+ bool "Automatic process group scheduling"
+ select EVENTFD
+ select CGROUPS
+ select CGROUP_SCHED
+ select FAIR_GROUP_SCHED
+ help
+ This option optimizes the scheduler for common desktop workloads by
+ automatically creating and populating task groups. This separation
+ of workloads isolates aggressive CPU burners (like build jobs) from
+ desktop applications. Task group autogeneration is currently based
+ upon task session.
+
config MM_OWNER
bool
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 830aaec..2b54bef3 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -93,7 +93,7 @@ no_match:
*
* Returns the matching dev_t on success or 0 on failure.
*/
-static dev_t __init devt_from_partuuid(char *uuid_str)
+static dev_t devt_from_partuuid(char *uuid_str)
{
dev_t res = 0;
struct device *dev = NULL;
diff --git a/init/main.c b/init/main.c
index 8646401..ea51770 100644
--- a/init/main.c
+++ b/init/main.c
@@ -67,6 +67,7 @@
#include <linux/sfi.h>
#include <linux/shmem_fs.h>
#include <linux/slab.h>
+#include <linux/perf_event.h>
#include <asm/io.h>
#include <asm/bugs.h>
@@ -603,6 +604,8 @@ asmlinkage void __init start_kernel(void)
"enabled *very* early, fixing it\n");
local_irq_disable();
}
+ idr_init_cache();
+ perf_event_init();
rcu_init();
radix_tree_init();
/* init some links before init_ISA_irqs() */
@@ -658,7 +661,6 @@ asmlinkage void __init start_kernel(void)
enable_debug_pagealloc();
kmemleak_init();
debug_objects_mem_init();
- idr_init_cache();
setup_per_cpu_pageset();
numa_policy_init();
if (late_time_init)
@@ -882,6 +884,7 @@ static int __init kernel_init(void * unused)
smp_prepare_cpus(setup_max_cpus);
do_pre_smp_initcalls();
+ lockup_detector_init();
smp_init();
sched_init_smp();
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