[PATCH -next v5 1/5] mm: page_table_check: using PxD_SIZE instead of PxD_PAGE_SIZE
Tong Tiangen
tongtiangen at huawei.com
Thu Apr 21 01:20:38 PDT 2022
Macro PUD_SIZE/PMD_SIZE is more general in various architectures. Using
PUD_SIZE/PMD_SIZE instead of PUD_PAGE_SIZE/PMD_PAGE_SIZE can better
support page table check in architectures other than x86 and it is no
functional impact on x86.
Suggested-by: Anshuman Khandual <anshuman.khandual at arm.com>
Signed-off-by: Tong Tiangen <tongtiangen at huawei.com>
---
mm/page_table_check.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/mm/page_table_check.c b/mm/page_table_check.c
index 2458281bff89..eb0d0b71cdf6 100644
--- a/mm/page_table_check.c
+++ b/mm/page_table_check.c
@@ -177,7 +177,7 @@ void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr,
if (pmd_user_accessible_page(pmd)) {
page_table_check_clear(mm, addr, pmd_pfn(pmd),
- PMD_PAGE_SIZE >> PAGE_SHIFT);
+ PMD_SIZE >> PAGE_SHIFT);
}
}
EXPORT_SYMBOL(__page_table_check_pmd_clear);
@@ -190,7 +190,7 @@ void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr,
if (pud_user_accessible_page(pud)) {
page_table_check_clear(mm, addr, pud_pfn(pud),
- PUD_PAGE_SIZE >> PAGE_SHIFT);
+ PUD_SIZE >> PAGE_SHIFT);
}
}
EXPORT_SYMBOL(__page_table_check_pud_clear);
@@ -219,7 +219,7 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr,
__page_table_check_pmd_clear(mm, addr, *pmdp);
if (pmd_user_accessible_page(pmd)) {
page_table_check_set(mm, addr, pmd_pfn(pmd),
- PMD_PAGE_SIZE >> PAGE_SHIFT,
+ PMD_SIZE >> PAGE_SHIFT,
pmd_write(pmd));
}
}
@@ -234,7 +234,7 @@ void __page_table_check_pud_set(struct mm_struct *mm, unsigned long addr,
__page_table_check_pud_clear(mm, addr, *pudp);
if (pud_user_accessible_page(pud)) {
page_table_check_set(mm, addr, pud_pfn(pud),
- PUD_PAGE_SIZE >> PAGE_SHIFT,
+ PUD_SIZE >> PAGE_SHIFT,
pud_write(pud));
}
}
--
2.25.1
More information about the linux-riscv
mailing list