[PATCH v12 3/5] arm64: pgtable: Add p*d_page_vaddr helper macros

[Chintan Pandya]

Add helper macros to give virtual references to page
tables. These will be used while freeing dangling
page tables.

Signed-off-by: Chintan Pandya <cpandya@xxxxxxxxxxxxxx>
---
 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