[PATCH v2 8/8] mm: hugetlb_vmemmap: use PTRS_PER_PTE instead of PMD_SIZE / PAGE_SIZE

Muchun Song
2022-06-28T09:25:19Z

There is already a macro PTRS_PER_PTE to represent the number of page table
entries, just use it.

Signed-off-by: Muchun Song <songmuchun@bytedance.com>
---
mm/hugetlb_vmemmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
index 6bbc445b1a66..65b527e1799c 100644
--- a/mm/hugetlb_vmemmap.c
+++ b/mm/hugetlb_vmemmap.c
@@ -48,7 +48,7 @@ static int __split_vmemmap_huge_pmd(pmd_t *pmd, unsigned long start)

pmd_populate_kernel(&init_mm, &__pmd, pgtable);

- for (i = 0; i < PMD_SIZE / PAGE_SIZE; i++, addr += PAGE_SIZE) {
+ for (i = 0; i < PTRS_PER_PTE; i++, addr += PAGE_SIZE) {
pte_t entry, *pte;
pgprot_t pgprot = PAGE_KERNEL;

--
2.11.0