HUGETLB_VMEMMAP_RESERVE_SIZE
vmemmap_start += HUGETLB_VMEMMAP_RESERVE_SIZE;
HUGETLB_VMEMMAP_RESERVE_SIZE);
HUGETLB_VMEMMAP_RESERVE_SIZE);
HUGETLB_VMEMMAP_RESERVE_SIZE) < 0) {
nr_mmap = HUGETLB_VMEMMAP_RESERVE_SIZE;
#define HUGETLB_VMEMMAP_RESERVE_PAGES (HUGETLB_VMEMMAP_RESERVE_SIZE / sizeof(struct page))
int size = hugetlb_vmemmap_size(h) - HUGETLB_VMEMMAP_RESERVE_SIZE;