VMEM_HASH_INITIAL
vmem_seg_t *vm_hash0[VMEM_HASH_INITIAL]; /* initial hash table */
vmp->vm_hash_mask = VMEM_HASH_INITIAL - 1;
new_size = MAX(VMEM_HASH_INITIAL, 1 << (highbit(3 * nseg + 4) - 2));
vmp->vm_hash_mask = VMEM_HASH_INITIAL - 1;
new_size = MAX(VMEM_HASH_INITIAL, 1 << (highbit(3 * nseg + 4) - 2));
vmem_seg_t *vm_hash0[VMEM_HASH_INITIAL]; /* initial hash table */