kernel/bpf/arraymap.c

84 	u32 elem_size, index_mask, max_entries;
101 	index_mask = mask64;
104 		 * since cpu will speculate within index_mask limits
106 		max_entries = index_mask + 1;
142 	array->index_mask = index_mask;
171 	return array->value + (u64)array->elem_size * (index & array->index_mask);
221 		*insn++ = BPF_ALU32_IMM(BPF_AND, ret, array->index_mask);
246 	return this_cpu_ptr(array->pptrs[index & array->index_mask]);
267 		*insn++ = BPF_ALU32_IMM(BPF_AND, BPF_REG_0, array->index_mask);
292 	return per_cpu_ptr(array->pptrs[index & array->index_mask], cpu);
312 	pptr = array->pptrs[index & array->index_mask];
366 		val = this_cpu_ptr(array->pptrs[index & array->index_mask]);
371 			(u64)array->elem_size * (index & array->index_mask);
410 	pptr = array->pptrs[index & array->index_mask];
458 				void __percpu *pptr = array->pptrs[i & array->index_mask];
513 	pptr = array->pptrs[index & array->index_mask];
601 	index = info->index & array->index_mask;
620 	index = info->index & array->index_mask;
1385 		*insn++ = BPF_ALU32_IMM(BPF_AND, ret, array->index_mask);