20  * 16 32 64 96 128 196 256 512 1024 2048 4096
23  * 16 32 64 96 128 196 256 512 1024 2048 4096
55 	6,	/* 128 */
455  * 64*16 + 64*32 + 64*64 + 64*96 + 64*128 + 64*196 + 64*256 + 32*512 + 16*1024 + 8*2048 + 4*4096
496 int bpf_mem_alloc_init(struct bpf_mem_alloc *ma, int size, bool percpu)  in bpf_mem_alloc_init()  argument
498 	static u16 sizes[NUM_CACHES] = {96, 192, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096};  in bpf_mem_alloc_init()
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()
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()