diff options
| -rw-r--r-- | mm/slab.c | 26 | ||||
| -rw-r--r-- | mm/slab.h | 16 | ||||
| -rw-r--r-- | mm/slab_common.c | 18 | ||||
| -rw-r--r-- | mm/slub.c | 24 |
4 files changed, 57 insertions, 27 deletions
diff --git a/mm/slab.c b/mm/slab.c index 73811ca0ae29..6d5c83c6ddd5 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -4276,9 +4276,8 @@ out: } #ifdef CONFIG_SLABINFO -int slabinfo_show(struct seq_file *m, void *p) +void get_slabinfo(struct kmem_cache *cachep, struct slabinfo *sinfo) { - struct kmem_cache *cachep = list_entry(p, struct kmem_cache, list); struct slab *slabp; unsigned long active_objs; unsigned long num_objs; @@ -4333,13 +4332,20 @@ int slabinfo_show(struct seq_file *m, void *p) if (error) printk(KERN_ERR "slab: cache %s error: %s\n", name, error); - seq_printf(m, "%-17s %6lu %6lu %6u %4u %4d", - name, active_objs, num_objs, cachep->size, - cachep->num, (1 << cachep->gfporder)); - seq_printf(m, " : tunables %4u %4u %4u", - cachep->limit, cachep->batchcount, cachep->shared); - seq_printf(m, " : slabdata %6lu %6lu %6lu", - active_slabs, num_slabs, shared_avail); + sinfo->active_objs = active_objs; + sinfo->num_objs = num_objs; + sinfo->active_slabs = active_slabs; + sinfo->num_slabs = num_slabs; + sinfo->shared_avail = shared_avail; + sinfo->limit = cachep->limit; + sinfo->batchcount = cachep->batchcount; + sinfo->shared = cachep->shared; + sinfo->objects_per_slab = cachep->num; + sinfo->cache_order = cachep->gfporder; +} + +void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep) +{ #if STATS { /* list3 stats */ unsigned long high = cachep->high_mark; @@ -4369,8 +4375,6 @@ int slabinfo_show(struct seq_file *m, void *p) allochit, allocmiss, freehit, freemiss); } #endif - seq_putc(m, '\n'); - return 0; } #define MAX_SLABINFO_WRITE 128 diff --git a/mm/slab.h b/mm/slab.h index 3442eb83ee1e..5a43c2f13621 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -49,8 +49,22 @@ int __kmem_cache_shutdown(struct kmem_cache *); struct seq_file; struct file; -int slabinfo_show(struct seq_file *m, void *p); +struct slabinfo { + unsigned long active_objs; + unsigned long num_objs; + unsigned long active_slabs; + unsigned long num_slabs; + unsigned long shared_avail; + unsigned int limit; + unsigned int batchcount; + unsigned int shared; + unsigned int objects_per_slab; + unsigned int cache_order; +}; + +void get_slabinfo(struct kmem_cache *s, struct slabinfo *sinfo); +void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s); ssize_t slabinfo_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos); #endif diff --git a/mm/slab_common.c b/mm/slab_common.c index c64a0438c1f3..5fb753da6cf0 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -242,7 +242,23 @@ static void s_stop(struct seq_file *m, void *p) static int s_show(struct seq_file *m, void *p) { - return slabinfo_show(m, p); + struct kmem_cache *s = list_entry(p, struct kmem_cache, list); + struct slabinfo sinfo; + + memset(&sinfo, 0, sizeof(sinfo)); + get_slabinfo(s, &sinfo); + + seq_printf(m, "%-17s %6lu %6lu %6u %4u %4d", + s->name, sinfo.active_objs, sinfo.num_objs, s->size, + sinfo.objects_per_slab, (1 << sinfo.cache_order)); + + seq_printf(m, " : tunables %4u %4u %4u", + sinfo.limit, sinfo.batchcount, sinfo.shared); + seq_printf(m, " : slabdata %6lu %6lu %6lu", + sinfo.active_slabs, sinfo.num_slabs, sinfo.shared_avail); + slabinfo_show_stats(m, s); + seq_putc(m, '\n'); + return 0; } /* diff --git a/mm/slub.c b/mm/slub.c index 6b5ee3472e18..472e739278b4 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -5405,18 +5405,14 @@ __initcall(slab_sysfs_init); * The /proc/slabinfo ABI */ #ifdef CONFIG_SLABINFO -int slabinfo_show(struct seq_file *m, void *p) +void get_slabinfo(struct kmem_cache *s, struct slabinfo *sinfo) { unsigned long nr_partials = 0; unsigned long nr_slabs = 0; - unsigned long nr_inuse = 0; unsigned long nr_objs = 0; unsigned long nr_free = 0; - struct kmem_cache *s; int node; - s = list_entry(p, struct kmem_cache, list); - for_each_online_node(node) { struct kmem_cache_node *n = get_node(s, node); @@ -5429,16 +5425,16 @@ int slabinfo_show(struct seq_file *m, void *p) nr_free += count_partial(n, count_free); } - nr_inuse = nr_objs - nr_free; + sinfo->active_objs = nr_objs - nr_free; + sinfo->num_objs = nr_objs; + sinfo->active_slabs = nr_slabs; + sinfo->num_slabs = nr_slabs; + sinfo->objects_per_slab = oo_objects(s->oo); + sinfo->cache_order = oo_order(s->oo); +} - seq_printf(m, "%-17s %6lu %6lu %6u %4u %4d", s->name, nr_inuse, - nr_objs, s->size, oo_objects(s->oo), - (1 << oo_order(s->oo))); - seq_printf(m, " : tunables %4u %4u %4u", 0, 0, 0); - seq_printf(m, " : slabdata %6lu %6lu %6lu", nr_slabs, nr_slabs, - 0UL); - seq_putc(m, '\n'); - return 0; +void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s) +{ } ssize_t slabinfo_write(struct file *file, const char __user *buffer, |