linux-master/mm/slub.c

1899 	 * The obtained objcg pointer is safe to use within the current scope,
1903 	struct obj_cgroup *objcg = current_obj_cgroup();
1904 	if (!objcg)
1911 		memcg = get_mem_cgroup_from_objcg(objcg);
1919 	if (obj_cgroup_charge(objcg, flags, objects * obj_full_size(s)))
1922 	*objcgp = objcg;
1945 					 struct obj_cgroup *objcg,
1961 				obj_cgroup_uncharge(objcg, obj_full_size(s));
1966 			obj_cgroup_get(objcg);
1967 			slab_objcgs(slab)[off] = objcg;
1968 			mod_objcg_state(objcg, slab_pgdat(slab),
1971 			obj_cgroup_uncharge(objcg, obj_full_size(s));
1977 void memcg_slab_post_alloc_hook(struct kmem_cache *s, struct obj_cgroup *objcg,
1980 	if (likely(!memcg_kmem_online() || !objcg))
1983 	return __memcg_slab_post_alloc_hook(s, objcg, flags, size, p);
1991 		struct obj_cgroup *objcg;
1995 		objcg = objcgs[off];
1996 		if (!objcg)
2000 		obj_cgroup_uncharge(objcg, obj_full_size(s));
2001 		mod_objcg_state(objcg, slab_pgdat(slab), cache_vmstat_idx(s),
2003 		obj_cgroup_put(objcg);
2025 			   struct obj_cgroup *objcg)
2027 	if (objcg)
2028 		obj_cgroup_uncharge(objcg, objects * obj_full_size(s));
2044 					      struct obj_cgroup *objcg,
2057 				 struct obj_cgroup *objcg)
3758 void slab_post_alloc_hook(struct kmem_cache *s,	struct obj_cgroup *objcg,
3807 	memcg_slab_post_alloc_hook(s, objcg, flags, size, p);
3824 	struct obj_cgroup *objcg = NULL;
3827 	s = slab_pre_alloc_hook(s, lru, &objcg, 1, gfpflags);
3845 	slab_post_alloc_hook(s, objcg, gfpflags, 1, &object, init, orig_size);
4619 	struct obj_cgroup *objcg = NULL;
4625 	s = slab_pre_alloc_hook(s, NULL, &objcg, size, flags);
4636 		slab_post_alloc_hook(s, objcg, flags, size, p,
4639 		memcg_slab_alloc_error_hook(s, size, objcg);