mm: restrict access to slab files under procfs and sysfs

[pandora-kernel.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 3b3f17b..943f490 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4386,11 +4386,12 @@ struct slab_attribute {
 };
 
 #define SLAB_ATTR_RO(_name) \
-       static struct slab_attribute _name##_attr = __ATTR_RO(_name)
+       static struct slab_attribute _name##_attr = \
+       __ATTR(_name, 0400, _name##_show, NULL)
 
 #define SLAB_ATTR(_name) \
        static struct slab_attribute _name##_attr =  \
-       __ATTR(_name, 0644, _name##_show, _name##_store)
+       __ATTR(_name, 0600, _name##_show, _name##_store)
 
 static ssize_t slab_size_show(struct kmem_cache *s, char *buf)
 {
@@ -5231,7 +5232,7 @@ static const struct file_operations proc_slabinfo_operations = {
 
 static int __init slab_proc_init(void)
 {
-       proc_create("slabinfo", S_IRUGO, NULL, &proc_slabinfo_operations);
+       proc_create("slabinfo", S_IRUSR, NULL, &proc_slabinfo_operations);
        return 0;
 }
 module_init(slab_proc_init);