armv7 unused vm_page_md members

[Artturi Alm]

Hi,

compile tested.

-Artturi

Index: sys/arch/arm/include/pmap.h
===================================================================
RCS file: /cvs/src/sys/arch/arm/include/pmap.h,v
retrieving revision 1.38
diff -u -p -u -r1.38 pmap.h
--- sys/arch/arm/include/pmap.h 19 Mar 2016 09:36:57 -0000      1.38
+++ sys/arch/arm/include/pmap.h 21 Mar 2016 23:33:06 -0000
@@ -800,6 +800,7 @@ extern uint32_t pmap_alias_bits;
 struct vm_page_md {
        struct pv_entry *pvh_list;              /* pv_entry list */
        int pvh_attrs;                          /* page attributes */
+#if !defined(CPU_ARMv7)
        u_int uro_mappings;
        u_int urw_mappings;
        union {
@@ -809,8 +810,10 @@ struct vm_page_md {
 #define        kro_mappings    k_u.s_mappings[0]
 #define        krw_mappings    k_u.s_mappings[1]
 #define        k_mappings      k_u.i_mappings
+#endif /* !CPU_ARMv7 */
 };
 
+#if !defined(CPU_ARMv7)
 #define        VM_MDPAGE_INIT(pg)                                              
\
 do {                                                                   \
        (pg)->mdpage.pvh_list = NULL;                                   \
@@ -819,6 +822,13 @@ do {                                                       
                \
        (pg)->mdpage.urw_mappings = 0;                                  \
        (pg)->mdpage.k_mappings = 0;                                    \
 } while (/*CONSTCOND*/0)
+#else
+#define        VM_MDPAGE_INIT(pg)                                              
\
+do {                                                                   \
+       (pg)->mdpage.pvh_list = NULL;                                   \
+       (pg)->mdpage.pvh_attrs = 0;                                     \
+} while (/*CONSTCOND*/0)
+#endif /* CPU_ARMv7 */
 #endif /* _LOCORE */
 
 #endif /* _ARM_PMAP_H_ */