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authorNishanth Aravamudan <nacc@us.ibm.com>2008-07-24 00:27:39 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 13:47:17 -0400
commitff7ea79cf7c3a481851bd4b2185fdeb6ce4afa29 (patch)
treeea0438b98c268584c28c8f5f8c331cb12c2c44b9 /mm/mm_init.c
parent5e9426abe209cf134adbbd62c5e73ef534eb73e9 (diff)
mm: create /sys/kernel/mm
Add a kobject to create /sys/kernel/mm when sysfs is mounted. The kobject will exist regardless. This will allow for the hugepage related sysfs directories to exist under the mm "subsystem" directory. Add an ABI file appropriately. [kosaki.motohiro@jp.fujitsu.com: fix build] Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mm_init.c')
-rw-r--r--mm/mm_init.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/mm_init.c b/mm/mm_init.c
index eaf0d3b47099..c6af41ea9994 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -7,6 +7,8 @@
7 */ 7 */
8#include <linux/kernel.h> 8#include <linux/kernel.h>
9#include <linux/init.h> 9#include <linux/init.h>
10#include <linux/kobject.h>
11#include <linux/module.h>
10#include "internal.h" 12#include "internal.h"
11 13
12#ifdef CONFIG_DEBUG_MEMORY_INIT 14#ifdef CONFIG_DEBUG_MEMORY_INIT
@@ -134,3 +136,17 @@ static __init int set_mminit_loglevel(char *str)
134} 136}
135early_param("mminit_loglevel", set_mminit_loglevel); 137early_param("mminit_loglevel", set_mminit_loglevel);
136#endif /* CONFIG_DEBUG_MEMORY_INIT */ 138#endif /* CONFIG_DEBUG_MEMORY_INIT */
139
140struct kobject *mm_kobj;
141EXPORT_SYMBOL_GPL(mm_kobj);
142
143static int __init mm_sysfs_init(void)
144{
145 mm_kobj = kobject_create_and_add("mm", kernel_kobj);
146 if (!mm_kobj)
147 return -ENOMEM;
148
149 return 0;
150}
151
152__initcall(mm_sysfs_init);