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Message-Id: <20230713172636.1705415-2-shikemeng@huaweicloud.com>
Date: Fri, 14 Jul 2023 01:26:29 +0800
From: Kemeng Shi <shikemeng@...weicloud.com>
To: pasha.tatashin@...een.com, akpm@...ux-foundation.org,
linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc: shikemeng@...weicloud.com
Subject: [PATCH 1/8] mm/page_table_check: remove unused parameters in page_table_check_clear()
Remove unused mm and addr in function page_table_check_clear().
Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
---
mm/page_table_check.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/mm/page_table_check.c b/mm/page_table_check.c
index 93ec7690a0d8..9477b93d8463 100644
--- a/mm/page_table_check.c
+++ b/mm/page_table_check.c
@@ -58,8 +58,7 @@ static struct page_table_check *get_page_table_check(struct page_ext *page_ext)
* An entry is removed from the page table, decrement the counters for that page
* verify that it is of correct type and counters do not become negative.
*/
-static void page_table_check_clear(struct mm_struct *mm, unsigned long addr,
- unsigned long pfn, unsigned long pgcnt)
+static void page_table_check_clear(unsigned long pfn, unsigned long pgcnt)
{
struct page_ext *page_ext;
struct page *page;
@@ -158,8 +157,7 @@ void __page_table_check_pte_clear(struct mm_struct *mm, unsigned long addr,
return;
if (pte_user_accessible_page(pte)) {
- page_table_check_clear(mm, addr, pte_pfn(pte),
- PAGE_SIZE >> PAGE_SHIFT);
+ page_table_check_clear(pte_pfn(pte), PAGE_SIZE >> PAGE_SHIFT);
}
}
EXPORT_SYMBOL(__page_table_check_pte_clear);
@@ -171,8 +169,7 @@ void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr,
return;
if (pmd_user_accessible_page(pmd)) {
- page_table_check_clear(mm, addr, pmd_pfn(pmd),
- PMD_SIZE >> PAGE_SHIFT);
+ page_table_check_clear(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT);
}
}
EXPORT_SYMBOL(__page_table_check_pmd_clear);
@@ -184,8 +181,7 @@ void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr,
return;
if (pud_user_accessible_page(pud)) {
- page_table_check_clear(mm, addr, pud_pfn(pud),
- PUD_SIZE >> PAGE_SHIFT);
+ page_table_check_clear(pud_pfn(pud), PUD_SIZE >> PAGE_SHIFT);
}
}
EXPORT_SYMBOL(__page_table_check_pud_clear);
--
2.30.0
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