s390/pgtable: get rid of _REGION3_ENTRY_RO

_REGION3_ENTRY_RO is a duplicate of _REGION_ENTRY_PROTECT.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 8984569..68942f4 100644 (file)
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -270,8 +270,6 @@ static inline int is_module_addr(void *addr)
 #define _REGION3_ENTRY         (_REGION_ENTRY_TYPE_R3 | _REGION_ENTRY_LENGTH)
 #define _REGION3_ENTRY_EMPTY   (_REGION_ENTRY_TYPE_R3 | _REGION_ENTRY_INVALID)
 
-#define _REGION3_ENTRY_RO      0x200   /* page protection bit              */
-
 #define _REGION3_ENTRY_DIRTY   0x2000  /* SW region dirty bit */
 #define _REGION3_ENTRY_YOUNG   0x1000  /* SW region young bit */
 #define _REGION3_ENTRY_LARGE   0x0400  /* RTTE-format control, large page  */

diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c
index 8556d6b..861880d 100644 (file)
--- a/arch/s390/mm/dump_pagetables.c
+++ b/arch/s390/mm/dump_pagetables.c
@@ -157,7 +157,7 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st,
                pud = pud_offset(pgd, addr);
                if (!pud_none(*pud))
                        if (pud_large(*pud)) {
-                               prot = pud_val(*pud) & _REGION3_ENTRY_RO;
+                               prot = pud_val(*pud) & _REGION_ENTRY_PROTECT;
                                note_page(m, st, prot, 2);
                        } else
                                walk_pmd_level(m, st, pud, addr);