From: Hongchen Zhang <zhanghongchen@loongson.cn>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Zhaolong Zhang <zhangzl2013@126.com>
Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
Hongchen Zhang <zhanghongchen@loongson.cn>
Subject: [PATCH] MIPS: fix pmd_mkinvalid
Date: Tue, 31 May 2022 12:36:09 +0800 [thread overview]
Message-ID: <1653971769-14152-1-git-send-email-zhanghongchen@loongson.cn> (raw)
pmd_mkinvalid should not clear dirty flag,otherwise the pmd
dirty flag,it's ok to just clear _PAGE_VALID.
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn>
---
arch/mips/include/asm/pgtable.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 374c632..d30a186 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -698,7 +698,7 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
static inline pmd_t pmd_mkinvalid(pmd_t pmd)
{
- pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY);
+ pmd_val(pmd) &= ~_PAGE_VALID;
return pmd;
}
--
1.8.3.1
next reply other threads:[~2022-05-31 4:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-31 4:36 Hongchen Zhang [this message]
2022-05-31 15:40 ` [PATCH] MIPS: fix pmd_mkinvalid Jiaxun Yang
2022-06-01 0:55 ` Hongchen Zhang
-- strict thread matches above, loose matches on Subject: below --
2022-07-06 9:07 Hongchen Zhang
2022-07-06 19:23 ` kernel test robot
2022-07-07 8:11 Hongchen Zhang
2022-07-07 9:22 ` Thomas Bogendoerfer
2022-07-07 11:12 ` Hongchen Zhang
2022-07-12 10:01 ` Hongchen Zhang
2022-07-12 11:19 ` Thomas Bogendoerfer
2022-07-12 12:08 ` Hongchen Zhang
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