[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-Id: <20200220061023.958-1-alex@ghiti.fr>
Date: Thu, 20 Feb 2020 01:10:23 -0500
From: Alexandre Ghiti <alex@...ti.fr>
To: Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: Alexandre Ghiti <alex@...ti.fr>
Subject: [PATCH] riscv: Use p*d_leaf macros to define p*d_huge
The newly introduced p*d_leaf macros allow to check if an entry of the
page table map to a physical page instead of the next level. To avoid
duplication of code, use those macros to determine if a page table entry
points to a hugepage.
Suggested-by: Paul Walmsley <paul.walmsley@...ive.com>
Signed-off-by: Alexandre Ghiti <alex@...ti.fr>
---
arch/riscv/mm/hugetlbpage.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/riscv/mm/hugetlbpage.c b/arch/riscv/mm/hugetlbpage.c
index 0d4747e9d5b5..a6189ed36c5f 100644
--- a/arch/riscv/mm/hugetlbpage.c
+++ b/arch/riscv/mm/hugetlbpage.c
@@ -4,14 +4,12 @@
int pud_huge(pud_t pud)
{
- return pud_present(pud) &&
- (pud_val(pud) & (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC));
+ return pud_leaf(pud);
}
int pmd_huge(pmd_t pmd)
{
- return pmd_present(pmd) &&
- (pmd_val(pmd) & (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC));
+ return pmd_leaf(pmd);
}
static __init int setup_hugepagesz(char *opt)
--
2.20.1
Powered by blists - more mailing lists