linux-master/mm/slub.c

986 	 * the data redzone in [orig_size+1, object_size]. Thus, we adjust
1004 		return s->object_size;
1014 	set_orig_size(s, (void *)object, s->object_size);
1066 		      min_t(unsigned int, s->object_size, PAGE_SIZE));
1068 		print_section(KERN_ERR, "Redzone  ", p + s->object_size,
1069 			s->inuse - s->object_size);
1135 	unsigned int poison_size = s->object_size;
1210  * object + s->object_size
1213  * 	object_size == inuse.
1233  * If slabcaches are merged then the object_size and inuse boundaries are mostly
1299 	u8 *endobject = object + s->object_size;
1308 			endobject, val, s->inuse - s->object_size))
1314 			if (s->object_size > orig_size  &&
1317 					val, s->object_size - orig_size)) {
1322 		if ((s->flags & SLAB_POISON) && s->object_size < s->inuse) {
1325 				s->inuse - s->object_size);
1337 			if (kasan_meta_size < s->object_size - 1 &&
1340 					s->object_size - kasan_meta_size - 1))
1342 			if (kasan_meta_size < s->object_size &&
1344 					p + s->object_size - 1, POISON_END, 1))
1464 					s->object_size);
2075 	debug_check_no_locks_freed(x, s->object_size);
2078 		debug_check_no_obj_freed(x, s->object_size);
2082 		__kcsan_check_access(x, s->object_size,
2100 			memset(kasan_reset_tag(x), 0, s->object_size);
3246 		s->name, s->object_size, s->size, oo_order(s->oo),
3249 	if (oo_order(s->min) > get_order(s->object_size))
3762 	unsigned int zero_size = s->object_size;
3768 	 * For kmalloc object, the allocated memory size(object_size) is likely
3802 		kmemleak_alloc_recursive(p[i], s->object_size, 1,
3843 	 * @orig_size bytes might be zeroed instead of s->object_size
3853 				    s->object_size);
3865 				    s->object_size);
3888 	void *ret = slab_alloc_node(s, NULL, gfpflags, node, _RET_IP_, s->object_size);
4531 		void *object = kfence_alloc(s, s->object_size, flags);
4556 					    _RET_IP_, c, s->object_size);
4591 		void *object = kfence_alloc(s, s->object_size, flags);
4599 					 _RET_IP_, s->object_size);
4637 			slab_want_init_on_alloc(flags, s), s->object_size);
4951 	unsigned int size = s->object_size;
4979 	if ((flags & SLAB_RED_ZONE) && size == s->object_size)
4991 	    ((flags & SLAB_RED_ZONE) && s->object_size < sizeof(void *)) ||
5015 		s->offset = ALIGN_DOWN(s->object_size / 2, sizeof(void *));
5099 		if (get_order(s->size) > get_order(s->object_size)) {
5586 	memcpy(s, static_cache, kmem_cache->object_size);
5689 		s->object_size = max(s->object_size, size);
5876 	unsigned int waste = s->object_size - orig_size;
5973 						s->object_size);
6134 	return sysfs_emit(buf, "%u\n", s->object_size);
6136 SLAB_ATTR_RO(object_size);