[PATCH v3 11/17] arm64, trans_pgd: add PUD_SECT_RDONLY

[Pavel Tatashin]

Thre is PMD_SECT_RDONLY that is used in pud_* function which is confusing.

Signed-off-by: Pavel Tatashin <pasha.tatas...@soleen.com>
---
 arch/arm64/include/asm/pgtable-hwdef.h | 1 +
 arch/arm64/mm/trans_pgd.c              | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/pgtable-hwdef.h 
b/arch/arm64/include/asm/pgtable-hwdef.h
index db92950bb1a0..dcb4f13c7888 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -110,6 +110,7 @@
 #define PUD_TABLE_BIT          (_AT(pudval_t, 1) << 1)
 #define PUD_TYPE_MASK          (_AT(pudval_t, 3) << 0)
 #define PUD_TYPE_SECT          (_AT(pudval_t, 1) << 0)
+#define PUD_SECT_RDONLY                (_AT(pudval_t, 1) << 7)         /* 
AP[2] */
 
 /*
  * Level 2 descriptor (PMD).
diff --git a/arch/arm64/mm/trans_pgd.c b/arch/arm64/mm/trans_pgd.c
index 7d8734709b61..efd42509d069 100644
--- a/arch/arm64/mm/trans_pgd.c
+++ b/arch/arm64/mm/trans_pgd.c
@@ -138,7 +138,7 @@ static int copy_pud(pgd_t *dst_pgdp, pgd_t *src_pgdp, 
unsigned long start,
                                return -ENOMEM;
                } else {
                        set_pud(dst_pudp,
-                               __pud(pud_val(pud) & ~PMD_SECT_RDONLY));
+                               __pud(pud_val(pud) & ~PUD_SECT_RDONLY));
                }
        } while (dst_pudp++, src_pudp++, addr = next, addr != end);
 
-- 
2.23.0