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-rw-r--r--mm/slab_common.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 2d41450..538bade 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -497,6 +497,13 @@ void __init create_kmalloc_caches(unsigned long flags)
#ifdef CONFIG_SLABINFO
+
+#ifdef CONFIG_SLAB
+#define SLABINFO_RIGHTS (S_IWUSR | S_IRUSR)
+#else
+#define SLABINFO_RIGHTS S_IRUSR
+#endif
+
void print_slabinfo_header(struct seq_file *m)
{
/*
@@ -531,12 +538,12 @@ static void *s_start(struct seq_file *m, loff_t *pos)
return seq_list_start(&slab_caches, *pos);
}
-static void *s_next(struct seq_file *m, void *p, loff_t *pos)
+void *slab_next(struct seq_file *m, void *p, loff_t *pos)
{
return seq_list_next(p, &slab_caches, pos);
}
-static void s_stop(struct seq_file *m, void *p)
+void slab_stop(struct seq_file *m, void *p)
{
mutex_unlock(&slab_mutex);
}
@@ -613,8 +620,8 @@ static int s_show(struct seq_file *m, void *p)
*/
static const struct seq_operations slabinfo_op = {
.start = s_start,
- .next = s_next,
- .stop = s_stop,
+ .next = slab_next,
+ .stop = slab_stop,
.show = s_show,
};
@@ -633,7 +640,8 @@ static const struct file_operations proc_slabinfo_operations = {
static int __init slab_proc_init(void)
{
- proc_create("slabinfo", S_IRUSR, NULL, &proc_slabinfo_operations);
+ proc_create("slabinfo", SLABINFO_RIGHTS, NULL,
+ &proc_slabinfo_operations);
return 0;
}
module_init(slab_proc_init);
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