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Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/mm/slab.c b/mm/slab.c
index b344e6707128..a6a2fcf8195e 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -4157,26 +4157,17 @@ static void print_slabinfo_header(struct seq_file *m)
static void *s_start(struct seq_file *m, loff_t *pos)
{
loff_t n = *pos;
- struct list_head *p;
mutex_lock(&cache_chain_mutex);
if (!n)
print_slabinfo_header(m);
- p = cache_chain.next;
- while (n--) {
- p = p->next;
- if (p == &cache_chain)
- return NULL;
- }
- return list_entry(p, struct kmem_cache, next);
+
+ return seq_list_start(&cache_chain, *pos);
}
static void *s_next(struct seq_file *m, void *p, loff_t *pos)
{
- struct kmem_cache *cachep = p;
- ++*pos;
- return cachep->next.next == &cache_chain ?
- NULL : list_entry(cachep->next.next, struct kmem_cache, next);
+ return seq_list_next(p, &cache_chain, pos);
}
static void s_stop(struct seq_file *m, void *p)
@@ -4186,7 +4177,7 @@ static void s_stop(struct seq_file *m, void *p)
static int s_show(struct seq_file *m, void *p)
{
- struct kmem_cache *cachep = p;
+ struct kmem_cache *cachep = list_entry(p, struct kmem_cache, next);
struct slab *slabp;
unsigned long active_objs;
unsigned long num_objs;
@@ -4355,17 +4346,8 @@ ssize_t slabinfo_write(struct file *file, const char __user * buffer,
static void *leaks_start(struct seq_file *m, loff_t *pos)
{
- loff_t n = *pos;
- struct list_head *p;
-
mutex_lock(&cache_chain_mutex);
- p = cache_chain.next;
- while (n--) {
- p = p->next;
- if (p == &cache_chain)
- return NULL;
- }
- return list_entry(p, struct kmem_cache, next);
+ return seq_list_start(&cache_chain, *pos);
}
static inline int add_caller(unsigned long *n, unsigned long v)
@@ -4430,7 +4412,7 @@ static void show_symbol(struct seq_file *m, unsigned long address)
static int leaks_show(struct seq_file *m, void *p)
{
- struct kmem_cache *cachep = p;
+ struct kmem_cache *cachep = list_entry(p, struct kmem_cache, next);
struct slab *slabp;
struct kmem_list3 *l3;
const char *name;