700 	char buf[100];  in slab_err()  local
703 	vsnprintf(buf, sizeof(buf), fmt, args);  in slab_err()
705 	slab_bug(s, "%s", buf);  in slab_err()
4611 static int list_locations(struct kmem_cache *s, char *buf,  in list_locations()  argument
4624 		return sprintf(buf, "Out of memory\n");  in list_locations()
4649 		len += sprintf(buf + len, "%7ld ", l->count);  in list_locations()
4652 			len += sprintf(buf + len, "%pS", (void *)l->addr);  in list_locations()
4654 			len += sprintf(buf + len, "<not-available>");  in list_locations()
4657 			len += sprintf(buf + len, " age=%ld/%ld/%ld",  in list_locations()
4662 			len += sprintf(buf + len, " age=%ld",  in list_locations()
4666 			len += sprintf(buf + len, " pid=%ld-%ld",  in list_locations()
4669 			len += sprintf(buf + len, " pid=%ld",  in list_locations()
4675 			len += scnprintf(buf + len, PAGE_SIZE - len - 50,  in list_locations()
4681 			len += scnprintf(buf + len, PAGE_SIZE - len - 50,  in list_locations()
4685 		len += sprintf(buf + len, "\n");  in list_locations()
4691 		len += sprintf(buf, "No data\n");  in list_locations()
4788 			    char *buf, unsigned long flags)  in show_slab_objects()  argument
4882 	x = sprintf(buf, "%lu", total);  in show_slab_objects()
4886 			x += sprintf(buf + x, " N%d=%lu",  in show_slab_objects()
4890 	return x + sprintf(buf + x, "\n");  in show_slab_objects()
4912 	ssize_t (*show)(struct kmem_cache *s, char *buf);
4924 static ssize_t slab_size_show(struct kmem_cache *s, char *buf)  in slab_size_show()  argument
4926 	return sprintf(buf, "%u\n", s->size);  in slab_size_show()
4930 static ssize_t align_show(struct kmem_cache *s, char *buf)  in align_show()  argument
4932 	return sprintf(buf, "%u\n", s->align);  in align_show()
4936 static ssize_t object_size_show(struct kmem_cache *s, char *buf)  in object_size_show()  argument
4938 	return sprintf(buf, "%u\n", s->object_size);  in object_size_show()
4942 static ssize_t objs_per_slab_show(struct kmem_cache *s, char *buf)  in objs_per_slab_show()  argument
4944 	return sprintf(buf, "%u\n", oo_objects(s->oo));  in objs_per_slab_show()
4949 				const char *buf, size_t length)  in order_store()  argument
4954 	err = kstrtouint(buf, 10, &order);  in order_store()
4965 static ssize_t order_show(struct kmem_cache *s, char *buf)  in order_show()  argument
4967 	return sprintf(buf, "%u\n", oo_order(s->oo));  in order_show()
4971 static ssize_t min_partial_show(struct kmem_cache *s, char *buf)  in min_partial_show()  argument
4973 	return sprintf(buf, "%lu\n", s->min_partial);  in min_partial_show()
4976 static ssize_t min_partial_store(struct kmem_cache *s, const char *buf,  in min_partial_store()  argument
4982 	err = kstrtoul(buf, 10, &min);  in min_partial_store()
4991 static ssize_t cpu_partial_show(struct kmem_cache *s, char *buf)  in cpu_partial_show()  argument
4993 	return sprintf(buf, "%u\n", slub_cpu_partial(s));  in cpu_partial_show()
4996 static ssize_t cpu_partial_store(struct kmem_cache *s, const char *buf,  in cpu_partial_store()  argument
5002 	err = kstrtouint(buf, 10, &objects);  in cpu_partial_store()
5014 static ssize_t ctor_show(struct kmem_cache *s, char *buf)  in ctor_show()  argument
5018 	return sprintf(buf, "%pS\n", s->ctor);  in ctor_show()
5022 static ssize_t aliases_show(struct kmem_cache *s, char *buf)  in aliases_show()  argument
5024 	return sprintf(buf, "%d\n", s->refcount < 0 ? 0 : s->refcount - 1);  in aliases_show()
5028 static ssize_t partial_show(struct kmem_cache *s, char *buf)  in partial_show()  argument
5030 	return show_slab_objects(s, buf, SO_PARTIAL);  in partial_show()
5034 static ssize_t cpu_slabs_show(struct kmem_cache *s, char *buf)  in cpu_slabs_show()  argument
5036 	return show_slab_objects(s, buf, SO_CPU);  in cpu_slabs_show()
5040 static ssize_t objects_show(struct kmem_cache *s, char *buf)  in objects_show()  argument
5042 	return show_slab_objects(s, buf, SO_ALL|SO_OBJECTS);  in objects_show()
5046 static ssize_t objects_partial_show(struct kmem_cache *s, char *buf)  in objects_partial_show()  argument
5048 	return show_slab_objects(s, buf, SO_PARTIAL|SO_OBJECTS);  in objects_partial_show()
5052 static ssize_t slabs_cpu_partial_show(struct kmem_cache *s, char *buf)  in slabs_cpu_partial_show()  argument
5070 	len = sprintf(buf, "%d(%d)", objects, pages);  in slabs_cpu_partial_show()
5079 			len += sprintf(buf + len, " C%d=%d(%d)", cpu,  in slabs_cpu_partial_show()
5083 	return len + sprintf(buf + len, "\n");  in slabs_cpu_partial_show()
5087 static ssize_t reclaim_account_show(struct kmem_cache *s, char *buf)  in reclaim_account_show()  argument
5089 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_RECLAIM_ACCOUNT));  in reclaim_account_show()
5093 				const char *buf, size_t length)  in reclaim_account_store()  argument
5096 	if (buf[0] == '1')  in reclaim_account_store()
5102 static ssize_t hwcache_align_show(struct kmem_cache *s, char *buf)  in hwcache_align_show()  argument
5104 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_HWCACHE_ALIGN));  in hwcache_align_show()
5109 static ssize_t cache_dma_show(struct kmem_cache *s, char *buf)  in cache_dma_show()  argument
5111 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_CACHE_DMA));  in cache_dma_show()
5116 static ssize_t usersize_show(struct kmem_cache *s, char *buf)  in usersize_show()  argument
5118 	return sprintf(buf, "%u\n", s->usersize);  in usersize_show()
5122 static ssize_t destroy_by_rcu_show(struct kmem_cache *s, char *buf)  in destroy_by_rcu_show()  argument
5124 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_TYPESAFE_BY_RCU));  in destroy_by_rcu_show()
5129 static ssize_t slabs_show(struct kmem_cache *s, char *buf)  in slabs_show()  argument
5131 	return show_slab_objects(s, buf, SO_ALL);  in slabs_show()
5135 static ssize_t total_objects_show(struct kmem_cache *s, char *buf)  in total_objects_show()  argument
5137 	return show_slab_objects(s, buf, SO_ALL|SO_TOTAL);  in total_objects_show()
5141 static ssize_t sanity_checks_show(struct kmem_cache *s, char *buf)  in sanity_checks_show()  argument
5143 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_CONSISTENCY_CHECKS));  in sanity_checks_show()
5147 				const char *buf, size_t length)  in sanity_checks_store()  argument
5150 	if (buf[0] == '1') {  in sanity_checks_store()
5158 static ssize_t trace_show(struct kmem_cache *s, char *buf)  in trace_show()  argument
5160 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_TRACE));  in trace_show()
5163 static ssize_t trace_store(struct kmem_cache *s, const char *buf,  in trace_store()  argument
5175 	if (buf[0] == '1') {  in trace_store()
5183 static ssize_t red_zone_show(struct kmem_cache *s, char *buf)  in red_zone_show()  argument
5185 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_RED_ZONE));  in red_zone_show()
5189 				const char *buf, size_t length)  in red_zone_store()  argument
5195 	if (buf[0] == '1') {  in red_zone_store()
5203 static ssize_t poison_show(struct kmem_cache *s, char *buf)  in poison_show()  argument
5205 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_POISON));  in poison_show()
5209 				const char *buf, size_t length)  in poison_store()  argument
5215 	if (buf[0] == '1') {  in poison_store()
5223 static ssize_t store_user_show(struct kmem_cache *s, char *buf)  in store_user_show()  argument
5225 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_STORE_USER));  in store_user_show()
5229 				const char *buf, size_t length)  in store_user_store()  argument
5235 	if (buf[0] == '1') {  in store_user_store()
5244 static ssize_t validate_show(struct kmem_cache *s, char *buf)  in validate_show()  argument
5250 			const char *buf, size_t length)  in validate_store()  argument
5254 	if (buf[0] == '1') {  in validate_store()
5263 static ssize_t alloc_calls_show(struct kmem_cache *s, char *buf)  in alloc_calls_show()  argument
5267 	return list_locations(s, buf, TRACK_ALLOC);  in alloc_calls_show()
5271 static ssize_t free_calls_show(struct kmem_cache *s, char *buf)  in free_calls_show()  argument
5275 	return list_locations(s, buf, TRACK_FREE);  in free_calls_show()
5281 static ssize_t failslab_show(struct kmem_cache *s, char *buf)  in failslab_show()  argument
5283 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_FAILSLAB));  in failslab_show()
5286 static ssize_t failslab_store(struct kmem_cache *s, const char *buf,  in failslab_store()  argument
5293 	if (buf[0] == '1')  in failslab_store()
5300 static ssize_t shrink_show(struct kmem_cache *s, char *buf)  in shrink_show()  argument
5306 			const char *buf, size_t length)  in shrink_store()  argument
5308 	if (buf[0] == '1')  in shrink_store()
5317 static ssize_t remote_node_defrag_ratio_show(struct kmem_cache *s, char *buf)  in remote_node_defrag_ratio_show()  argument
5319 	return sprintf(buf, "%u\n", s->remote_node_defrag_ratio / 10);  in remote_node_defrag_ratio_show()
5323 				const char *buf, size_t length)  in remote_node_defrag_ratio_store()  argument
5328 	err = kstrtouint(buf, 10, &ratio);  in remote_node_defrag_ratio_store()
5342 static int show_stat(struct kmem_cache *s, char *buf, enum stat_item si)  in show_stat()  argument
5359 	len = sprintf(buf, "%lu", sum);  in show_stat()
5364 			len += sprintf(buf + len, " C%d=%u", cpu, data[cpu]);  in show_stat()
5368 	return len + sprintf(buf + len, "\n");  in show_stat()
5380 static ssize_t text##_show(struct kmem_cache *s, char *buf)	\
5382 	return show_stat(s, buf, si);				\
5385 				const char *buf, size_t length)	\
5387 	if (buf[0] != '0')					\
5501 				char *buf)  in slab_attr_show()  argument
5513 	err = attribute->show(s, buf);  in slab_attr_show()
5520 				const char *buf, size_t len)  in slab_attr_store()  argument
5532 	err = attribute->store(s, buf, len);  in slab_attr_store()
5559 			attribute->store(c, buf, len);  in slab_attr_store()
5587 		char *buf;  in memcg_propagate_slab_attrs()  local
5604 			buf = buffer;  in memcg_propagate_slab_attrs()
5606 			buf = mbuf;  in memcg_propagate_slab_attrs()
5611 			buf = buffer;  in memcg_propagate_slab_attrs()
5614 		len = attr->show(root_cache, buf);  in memcg_propagate_slab_attrs()
5616 			attr->store(s, buf, len);  in memcg_propagate_slab_attrs()