[PATCH v12 3/5] arm64: pgtable: Add p*d_page_vaddr helper macros
From: Will Deacon <hidden>
Date: 2018-06-04 12:13:26
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On Fri, Jun 01, 2018 at 06:09:16PM +0530, Chintan Pandya wrote:
quoted hunk ↗ jump to hunk
Add helper macros to give virtual references to page tables. These will be used while freeing dangling page tables. Signed-off-by: Chintan Pandya <redacted> --- arch/arm64/include/asm/pgtable.h | 3 +++ 1 file changed, 3 insertions(+)diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 7c4c8f3..ef4047f 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h@@ -580,6 +580,9 @@ static inline phys_addr_t pgd_page_paddr(pgd_t pgd) #endif /* CONFIG_PGTABLE_LEVELS > 3 */ +#define pmd_page_vaddr(pmd) __va(pmd_page_paddr(pmd)) +#define pud_page_vaddr(pud) __va(pud_page_paddr(pud))
Are these actually needed, or do pte_offset_kernel and pmd_offset do the job already? Will