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authorAlexandre Ghiti <alex@ghiti.fr>2020-02-20 01:10:23 -0500
committerPalmer Dabbelt <palmerdabbelt@google.com>2020-03-05 13:09:59 -0800
commit3133287b53ee88444e2294e601d2bad54a798f59 (patch)
treec366b2406e666ce7edebe424077e2ef40a069830 /arch/riscv/mm
parentabc71bf0a70311ab294f97a7f16e8de03718c05a (diff)
downloadlinux-3133287b53ee88444e2294e601d2bad54a798f59.tar.bz2
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@sifive.com> Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> Reviewed-by: Anup Patel <anup@brainfault.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/mm')
-rw-r--r--arch/riscv/mm/hugetlbpage.c6
1 files 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)