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

Chintan Pandya
2018-06-01T12:40:34Z

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@codeaurora.org>
---
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 */
--
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