diff --git a/Documentation/ABI/testing/sysfs-kernel-mm b/Documentation/ABI/testing/sysfs-kernel-mm new file mode 100644 index 0000000000000000000000000000000000000000..190d523ac159f64c97ae7355f230c46f564e5f6b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-mm @@ -0,0 +1,6 @@ +What: /sys/kernel/mm +Date: July 2008 +Contact: Nishanth Aravamudan , VM maintainers +Description: + /sys/kernel/mm/ should contain any and all VM + related information in /sys/kernel/. diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 60f0d418ae3264c8684accf0f44cbab9c2db700e..5437ac0276e232d259a886e7b644f4b4e2e44935 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -186,6 +186,8 @@ extern struct kobject *kset_find_obj(struct kset *, const char *); /* The global /sys/kernel/ kobject for people to chain off of */ extern struct kobject *kernel_kobj; +/* The global /sys/kernel/mm/ kobject for people to chain off of */ +extern struct kobject *mm_kobj; /* The global /sys/hypervisor/ kobject for people to chain off of */ extern struct kobject *hypervisor_kobj; /* The global /sys/power/ kobject for people to chain off of */ diff --git a/mm/mm_init.c b/mm/mm_init.c index eaf0d3b47099a063da4106e2f2c55fcd5a90e776..c6af41ea9994e79826c78f75d1d61c01323be63b 100644 --- a/mm/mm_init.c +++ b/mm/mm_init.c @@ -7,6 +7,8 @@ */ #include #include +#include +#include #include "internal.h" #ifdef CONFIG_DEBUG_MEMORY_INIT @@ -134,3 +136,17 @@ static __init int set_mminit_loglevel(char *str) } early_param("mminit_loglevel", set_mminit_loglevel); #endif /* CONFIG_DEBUG_MEMORY_INIT */ + +struct kobject *mm_kobj; +EXPORT_SYMBOL_GPL(mm_kobj); + +static int __init mm_sysfs_init(void) +{ + mm_kobj = kobject_create_and_add("mm", kernel_kobj); + if (!mm_kobj) + return -ENOMEM; + + return 0; +} + +__initcall(mm_sysfs_init);