shmsize += sizeof(uint64_t) * num_subbuf;
/* Per-cpu buffer size: backend */
/* num_subbuf + 1 is the worse case */
num_subbuf_alloc = num_subbuf + 1;
shmsize += sizeof(uint64_t) * num_subbuf;
/* Per-cpu buffer size: backend */
/* num_subbuf + 1 is the worse case */
num_subbuf_alloc = num_subbuf + 1;