pool_entries     1945 block/bio.c    int biovec_init_pool(mempool_t *pool, int pool_entries)
pool_entries     1949 block/bio.c    	return mempool_init_slab_pool(pool, pool_entries, bp->slab);
pool_entries      387 include/linux/bio.h extern int biovec_init_pool(mempool_t *pool, int pool_entries);