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-rw-r--r--init/Kconfig7
-rw-r--r--init/main.c1
2 files changed, 8 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index a3457926342a..98fa96eac415 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -378,9 +378,13 @@ config RESOURCE_COUNTERS
infrastructure that works with cgroups
depends on CGROUPS
+config MM_OWNER
+ bool
+
config CGROUP_MEM_RES_CTLR
bool "Memory Resource Controller for Control Groups"
depends on CGROUPS && RESOURCE_COUNTERS
+ select MM_OWNER
help
Provides a memory resource controller that manages both page cache and
RSS memory.
@@ -393,6 +397,9 @@ config CGROUP_MEM_RES_CTLR
Only enable when you're ok with these trade offs and really
sure you need the memory resource controller.
+ This config option also selects MM_OWNER config option, which
+ could in turn add some fork/exit overhead.
+
config SYSFS_DEPRECATED
bool
diff --git a/init/main.c b/init/main.c
index 1116d2f40cc1..c62c98f381f2 100644
--- a/init/main.c
+++ b/init/main.c
@@ -559,6 +559,7 @@ asmlinkage void __init start_kernel(void)
printk(KERN_NOTICE);
printk(linux_banner);
setup_arch(&command_line);
+ mm_init_owner(&init_mm, &init_task);
setup_command_line(command_line);
unwind_setup();
setup_per_cpu_areas();