48 	1,	/* 72 */
49 	1,	/* 80 */
50 	1,	/* 88 */
51 	1,	/* 96 */
69 		return -1;  in bpf_mem_cache_idx()
72 		return size_index[(size - 1) / 8] - 1;  in bpf_mem_cache_idx()
74 	return fls(size - 1) - 2;  in bpf_mem_cache_idx()
147 		obj[1] = pptr;  in __alloc()
183 	WARN_ON_ONCE(local_inc_return(&c->active) != 1);  in inc_active()
257 		free_percpu(((void **)obj)[1]);  in free_one()
310 	if (atomic_xchg(&c->call_rcu_ttrace_in_progress, 1)) {  in do_call_rcu_ttrace()
397 	if (atomic_xchg(&c->call_rcu_in_progress, 1)) {  in check_free_by_rcu()
472 		 * 8k allocs and above low == 1, high == 3, batch == 1.  in init_refill_work()
474 		c->low_watermark = max(32 * 256 / c->unit_size, 1);  in init_refill_work()
477 	c->batch = max((c->high_watermark - c->low_watermark) / 4 * 3, 1);  in init_refill_work()
482 	/* To avoid consuming memory assume that 1st run of bpf  in prefill_mem_cache()
486 	alloc_bulk(c, c->unit_size <= 256 ? 4 : 1, cpu_to_node(cpu), false);  in prefill_mem_cache()
496 int bpf_mem_alloc_init(struct bpf_mem_alloc *ma, int size, bool percpu)  in bpf_mem_alloc_init()  argument
504 	ma->percpu = percpu;  in bpf_mem_alloc_init()
531 		ma->cache = pc;  in bpf_mem_alloc_init()
558 	ma->caches = pcc;  in bpf_mem_alloc_init()
593 static void check_leaked_objs(struct bpf_mem_alloc *ma)  in check_leaked_objs()  argument
599 	if (ma->cache) {  in check_leaked_objs()
601 			c = per_cpu_ptr(ma->cache, cpu);  in check_leaked_objs()
605 	if (ma->caches) {  in check_leaked_objs()
607 			cc = per_cpu_ptr(ma->caches, cpu);  in check_leaked_objs()
616 static void free_mem_alloc_no_barrier(struct bpf_mem_alloc *ma)  in free_mem_alloc_no_barrier()  argument
618 	check_leaked_objs(ma);  in free_mem_alloc_no_barrier()
619 	free_percpu(ma->cache);  in free_mem_alloc_no_barrier()
620 	free_percpu(ma->caches);  in free_mem_alloc_no_barrier()
621 	ma->cache = NULL;  in free_mem_alloc_no_barrier()
622 	ma->caches = NULL;  in free_mem_alloc_no_barrier()
625 static void free_mem_alloc(struct bpf_mem_alloc *ma)  in free_mem_alloc()  argument
641 	free_mem_alloc_no_barrier(ma);  in free_mem_alloc()
646 	struct bpf_mem_alloc *ma = container_of(work, struct bpf_mem_alloc, work);  in free_mem_alloc_deferred()  local
648 	free_mem_alloc(ma);  in free_mem_alloc_deferred()
649 	kfree(ma);  in free_mem_alloc_deferred()
652 static void destroy_mem_alloc(struct bpf_mem_alloc *ma, int rcu_in_progress)  in destroy_mem_alloc()  argument
660 		free_mem_alloc_no_barrier(ma);  in destroy_mem_alloc()
664 	copy = kmemdup(ma, sizeof(*ma), GFP_KERNEL);  in destroy_mem_alloc()
667 		free_mem_alloc(ma);  in destroy_mem_alloc()
672 	memset(ma, 0, sizeof(*ma));  in destroy_mem_alloc()
677 void bpf_mem_alloc_destroy(struct bpf_mem_alloc *ma)  in bpf_mem_alloc_destroy()  argument
683 	if (ma->cache) {  in bpf_mem_alloc_destroy()
686 			c = per_cpu_ptr(ma->cache, cpu);  in bpf_mem_alloc_destroy()
696 		destroy_mem_alloc(ma, rcu_in_progress);  in bpf_mem_alloc_destroy()
698 	if (ma->caches) {  in bpf_mem_alloc_destroy()
701 			cc = per_cpu_ptr(ma->caches, cpu);  in bpf_mem_alloc_destroy()
713 		destroy_mem_alloc(ma, rcu_in_progress);  in bpf_mem_alloc_destroy()
737 	if (local_inc_return(&c->active) == 1) {  in unit_alloc()
773 	if (local_inc_return(&c->active) == 1) {  in unit_free()
801 	if (local_inc_return(&c->active) == 1) {  in unit_free_rcu()
817 void notrace *bpf_mem_alloc(struct bpf_mem_alloc *ma, size_t size)  in bpf_mem_alloc()  argument
829 	ret = unit_alloc(this_cpu_ptr(ma->caches)->cache + idx);  in bpf_mem_alloc()
833 void notrace bpf_mem_free(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_free()  argument
846 	unit_free(this_cpu_ptr(ma->caches)->cache + idx, ptr);  in bpf_mem_free()
849 void notrace bpf_mem_free_rcu(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_free_rcu()  argument
862 	unit_free_rcu(this_cpu_ptr(ma->caches)->cache + idx, ptr);  in bpf_mem_free_rcu()
865 void notrace *bpf_mem_cache_alloc(struct bpf_mem_alloc *ma)  in bpf_mem_cache_alloc()  argument
869 	ret = unit_alloc(this_cpu_ptr(ma->cache));  in bpf_mem_cache_alloc()
873 void notrace bpf_mem_cache_free(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_cache_free()  argument
878 	unit_free(this_cpu_ptr(ma->cache), ptr);  in bpf_mem_cache_free()
881 void notrace bpf_mem_cache_free_rcu(struct bpf_mem_alloc *ma, void *ptr)  in bpf_mem_cache_free_rcu()  argument
886 	unit_free_rcu(this_cpu_ptr(ma->cache), ptr);  in bpf_mem_cache_free_rcu()
911 void notrace *bpf_mem_cache_alloc_flags(struct bpf_mem_alloc *ma, gfp_t flags)  in bpf_mem_cache_alloc_flags()  argument
916 	c = this_cpu_ptr(ma->cache);  in bpf_mem_cache_alloc_flags()