54 static u32 stack_map_calculate_max_depth(u32 size, u32 elem_size, u64 flags)  in stack_map_calculate_max_depth()  argument
60 	max_depth = size / elem_size;  in stack_map_calculate_max_depth()
70 	u64 elem_size = sizeof(struct stack_map_bucket) +  in prealloc_elems_and_freelist()  local
74 	smap->elems = bpf_map_area_alloc(elem_size * smap->map.max_entries,  in prealloc_elems_and_freelist()
83 	pcpu_freelist_populate(&smap->freelist, smap->elems, elem_size,  in prealloc_elems_and_freelist()
628 	u32 elem_size = stack_map_data_size(map);  in BPF_CALL_3()  local
641 	max_depth = stack_map_calculate_max_depth(map->value_size, elem_size, flags);  in BPF_CALL_3()
746 			   void *buf, u32 elem_size, u64 flags)  in callchain_store()  argument
754 	copy_len = trace_nr * elem_size;  in callchain_store()
768 static long callchain_finalize(void *buf, u32 size, u32 trace_nr, u32 elem_size,  in callchain_finalize()  argument
773 	u32 copy_len = trace_nr * elem_size;  in callchain_finalize()
791 	u32 trace_nr, elem_size, max_depth;  in __bpf_get_stack()  local
801 	elem_size = user_build_id ? sizeof(struct bpf_stack_build_id) : sizeof(u64);  in __bpf_get_stack()
802 	if (unlikely(size % elem_size))  in __bpf_get_stack()
817 	max_depth = stack_map_calculate_max_depth(size, elem_size, flags);  in __bpf_get_stack()
837 	trace_nr = callchain_store(trace, trace->nr, buf, elem_size, flags);  in __bpf_get_stack()
844 	return callchain_finalize(buf, size, trace_nr, elem_size, flags, may_fault);  in __bpf_get_stack()
945 	u32 elem_size, max_depth, nr_trace;  in __bpf_get_stack_pe()  local
951 	elem_size = user_build_id ? sizeof(struct bpf_stack_build_id) : sizeof(u64);  in __bpf_get_stack_pe()
952 	if (unlikely(size % elem_size))  in __bpf_get_stack_pe()
955 	max_depth = stack_map_calculate_max_depth(size, elem_size, flags);  in __bpf_get_stack_pe()
961 	nr_trace = callchain_store(trace, trace_nr, buf, elem_size, flags);  in __bpf_get_stack_pe()
962 	return callchain_finalize(buf, size, nr_trace, elem_size, flags, false /* !may_fault */);  in __bpf_get_stack_pe()