diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 72 |
1 files changed, 13 insertions, 59 deletions
diff --git a/mm/slab.c b/mm/slab.c index 33d3363658df..a6e045c13b8d 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -4277,7 +4277,7 @@ out: #ifdef CONFIG_SLABINFO -static void print_slabinfo_header(struct seq_file *m) +void print_slabinfo_header(struct seq_file *m) { /* * Output format version, so at least we can change it @@ -4300,28 +4300,7 @@ static void print_slabinfo_header(struct seq_file *m) seq_putc(m, '\n'); } -static void *s_start(struct seq_file *m, loff_t *pos) -{ - loff_t n = *pos; - - mutex_lock(&slab_mutex); - if (!n) - print_slabinfo_header(m); - - return seq_list_start(&slab_caches, *pos); -} - -static void *s_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) -{ - mutex_unlock(&slab_mutex); -} - -static int s_show(struct seq_file *m, void *p) +int slabinfo_show(struct seq_file *m, void *p) { struct kmem_cache *cachep = list_entry(p, struct kmem_cache, list); struct slab *slabp; @@ -4418,27 +4397,6 @@ static int s_show(struct seq_file *m, void *p) return 0; } -/* - * slabinfo_op - iterator that generates /proc/slabinfo - * - * Output layout: - * cache-name - * num-active-objs - * total-objs - * object size - * num-active-slabs - * total-slabs - * num-pages-per-slab - * + further values on SMP and with statistics enabled - */ - -static const struct seq_operations slabinfo_op = { - .start = s_start, - .next = s_next, - .stop = s_stop, - .show = s_show, -}; - #define MAX_SLABINFO_WRITE 128 /** * slabinfo_write - Tuning for the slab allocator @@ -4447,7 +4405,7 @@ static const struct seq_operations slabinfo_op = { * @count: data length * @ppos: unused */ -static ssize_t slabinfo_write(struct file *file, const char __user *buffer, +ssize_t slabinfo_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { char kbuf[MAX_SLABINFO_WRITE + 1], *tmp; @@ -4490,19 +4448,6 @@ static ssize_t slabinfo_write(struct file *file, const char __user *buffer, return res; } -static int slabinfo_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &slabinfo_op); -} - -static const struct file_operations proc_slabinfo_operations = { - .open = slabinfo_open, - .read = seq_read, - .write = slabinfo_write, - .llseek = seq_lseek, - .release = seq_release, -}; - #ifdef CONFIG_DEBUG_SLAB_LEAK static void *leaks_start(struct seq_file *m, loff_t *pos) @@ -4631,6 +4576,16 @@ static int leaks_show(struct seq_file *m, void *p) return 0; } +static void *s_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) +{ + mutex_unlock(&slab_mutex); +} + static const struct seq_operations slabstats_op = { .start = leaks_start, .next = s_next, @@ -4665,7 +4620,6 @@ static const struct file_operations proc_slabstats_operations = { static int __init slab_proc_init(void) { - proc_create("slabinfo",S_IWUSR|S_IRUSR,NULL,&proc_slabinfo_operations); #ifdef CONFIG_DEBUG_SLAB_LEAK proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations); #endif |