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| author | Muchun Song <songmuchun@bytedance.com> | 2022-06-28 17:22:35 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-08-08 18:06:43 -0700 |
| commit | e38f055d6d9a060dbf3f69fbac5b3b04a1566a56 (patch) | |
| tree | 1953725b1234820c2328ede3e5c4d9d312348bce /mm/hugetlb_vmemmap.c | |
| parent | 838691a1c0ec44739db558834e6954d62577d6b8 (diff) | |
| download | linux-e38f055d6d9a060dbf3f69fbac5b3b04a1566a56.tar.gz linux-e38f055d6d9a060dbf3f69fbac5b3b04a1566a56.tar.bz2 linux-e38f055d6d9a060dbf3f69fbac5b3b04a1566a56.zip | |
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/hugetlb_vmemmap.c')
| -rw-r--r-- | mm/hugetlb_vmemmap.c | 2 |
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; |