NR_RAID_BIOS
conf->r1bio_pool = mempool_create_kmalloc_pool(NR_RAID_BIOS, r1bio_size);
newpool = mempool_create_kmalloc_pool(NR_RAID_BIOS, new_r1bio_size);
err = mempool_init(&conf->r10bio_pool, NR_RAID_BIOS, r10bio_pool_alloc,
conf->ctx_pool = mempool_create_kmalloc_pool(NR_RAID_BIOS,