[PATCH v12 3/5] arm64: pgtable: Add p*d_page_vaddr helper macros
From: Chintan Pandya <hidden>
Date: 2018-06-01 12:40:34
Also in:
lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
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)) + #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd_val(pgd)) /* to find an entry in a page-table-directory */
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation
Center, Inc., is a member of Code Aurora Forum, a Linux Foundation
Collaborative Project