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authorMuchun Song <songmuchun@bytedance.com>2022-06-28 17:22:35 +0800
committerAndrew Morton <akpm@linux-foundation.org>2022-08-08 18:06:43 -0700
commite38f055d6d9a060dbf3f69fbac5b3b04a1566a56 (patch)
tree1953725b1234820c2328ede3e5c4d9d312348bce /mm
parent838691a1c0ec44739db558834e6954d62577d6b8 (diff)
mm: hugetlb_vmemmap: use PTRS_PER_PTE instead of PMD_SIZE / PAGE_SIZE
There is already a macro PTRS_PER_PTE to represent the number of page table entries, just use it. Link: https://lkml.kernel.org/r/20220628092235.91270-9-songmuchun@bytedance.com Signed-off-by: Muchun Song <songmuchun@bytedance.com> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Oscar Salvador <osalvador@suse.de> Cc: Will Deacon <will@kernel.org> Cc: Xiongchun Duan <duanxiongchun@bytedance.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/hugetlb_vmemmap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
index 8da2b31bb59f..20f414c0379f 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;