512 int bpf_mem_alloc_init(struct bpf_mem_alloc *ma, int size, bool percpu)  in bpf_mem_alloc_init()  argument
525 	ma->percpu = percpu;  in bpf_mem_alloc_init()
540 		ma->objcg = objcg;  in bpf_mem_alloc_init()
551 		ma->cache = pc;  in bpf_mem_alloc_init()
561 	ma->objcg = objcg;  in bpf_mem_alloc_init()
576 	ma->caches = pcc;  in bpf_mem_alloc_init()
580 int bpf_mem_alloc_percpu_init(struct bpf_mem_alloc *ma, struct obj_cgroup *objcg)  in bpf_mem_alloc_percpu_init()  argument
588 	ma->caches = pcc;  in bpf_mem_alloc_percpu_init()
589 	ma->objcg = objcg;  in bpf_mem_alloc_percpu_init()
590 	ma->percpu = true;  in bpf_mem_alloc_percpu_init()
594 int bpf_mem_alloc_percpu_unit_init(struct bpf_mem_alloc *ma, int size)  in bpf_mem_alloc_percpu_unit_init()  argument
609 	objcg = ma->objcg;  in bpf_mem_alloc_percpu_unit_init()
610 	pcc = ma->caches;  in bpf_mem_alloc_percpu_unit_init()
661 static void check_leaked_objs(struct bpf_mem_alloc *ma)  in check_leaked_objs()  argument
667 	if (ma->cache) {  in check_leaked_objs()
669 			c = per_cpu_ptr(ma->cache, cpu);  in check_leaked_objs()
673 	if (ma->caches) {  in check_leaked_objs()
675 			cc = per_cpu_ptr(ma->caches, cpu);  in check_leaked_objs()
684 static void free_mem_alloc_no_barrier(struct bpf_mem_alloc *ma)  in free_mem_alloc_no_barrier()  argument
686 	check_leaked_objs(ma);  in free_mem_alloc_no_barrier()
687 	free_percpu(ma->cache);  in free_mem_alloc_no_barrier()
688 	free_percpu(ma->caches);  in free_mem_alloc_no_barrier()
689 	ma->cache = NULL;  in free_mem_alloc_no_barrier()
690 	ma->caches = NULL;  in free_mem_alloc_no_barrier()
693 static void free_mem_alloc(struct bpf_mem_alloc *ma)  in free_mem_alloc()  argument
709 	free_mem_alloc_no_barrier(ma);  in free_mem_alloc()
714 	struct bpf_mem_alloc *ma = container_of(work, struct bpf_mem_alloc, work);  in free_mem_alloc_deferred()  local
716 	free_mem_alloc(ma);  in free_mem_alloc_deferred()
717 	kfree(ma);  in free_mem_alloc_deferred()
720 static void destroy_mem_alloc(struct bpf_mem_alloc *ma, int rcu_in_progress)  in destroy_mem_alloc()  argument
728 		free_mem_alloc_no_barrier(ma);  in destroy_mem_alloc()
732 	copy = kmemdup(ma, sizeof(*ma), GFP_KERNEL);  in destroy_mem_alloc()
735 		free_mem_alloc(ma);  in destroy_mem_alloc()
740 	memset(ma, 0, sizeof(*ma));  in destroy_mem_alloc()
745 void bpf_mem_alloc_destroy(struct bpf_mem_alloc *ma)  in bpf_mem_alloc_destroy()  argument
751 	if (ma->cache) {  in bpf_mem_alloc_destroy()
754 			c = per_cpu_ptr(ma->cache, cpu);  in bpf_mem_alloc_destroy()
761 		obj_cgroup_put(ma->objcg);  in bpf_mem_alloc_destroy()
762 		destroy_mem_alloc(ma, rcu_in_progress);  in bpf_mem_alloc_destroy()
764 	if (ma->caches) {  in bpf_mem_alloc_destroy()
767 			cc = per_cpu_ptr(ma->caches, cpu);  in bpf_mem_alloc_destroy()
777 		obj_cgroup_put(ma->objcg);  in bpf_mem_alloc_destroy()
778 		destroy_mem_alloc(ma, rcu_in_progress);  in bpf_mem_alloc_destroy()
892 void notrace *bpf_mem_alloc(struct bpf_mem_alloc *ma, size_t size)  in bpf_mem_alloc()  argument
900 	if (!ma->percpu)  in bpf_mem_alloc()
906 	ret = unit_alloc(this_cpu_ptr(ma->caches)->cache + idx);  in bpf_mem_alloc()
910 void notrace bpf_mem_free(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_free()  argument
923 	unit_free(this_cpu_ptr(ma->caches)->cache + idx, ptr);  in bpf_mem_free()
926 void notrace bpf_mem_free_rcu(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_free_rcu()  argument
939 	unit_free_rcu(this_cpu_ptr(ma->caches)->cache + idx, ptr);  in bpf_mem_free_rcu()
942 void notrace *bpf_mem_cache_alloc(struct bpf_mem_alloc *ma)  in bpf_mem_cache_alloc()  argument
946 	ret = unit_alloc(this_cpu_ptr(ma->cache));  in bpf_mem_cache_alloc()
950 void notrace bpf_mem_cache_free(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_cache_free()  argument
955 	unit_free(this_cpu_ptr(ma->cache), ptr);  in bpf_mem_cache_free()
958 void notrace bpf_mem_cache_free_rcu(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_cache_free_rcu()  argument
963 	unit_free_rcu(this_cpu_ptr(ma->cache), ptr);  in bpf_mem_cache_free_rcu()
988 void notrace *bpf_mem_cache_alloc_flags(struct bpf_mem_alloc *ma, gfp_t flags)  in bpf_mem_cache_alloc_flags()  argument
993 	c = this_cpu_ptr(ma->cache);  in bpf_mem_cache_alloc_flags()