Drop orphaned pv_flags values.

diff --git a/sys/arch/arm/arm/pmap7.c b/sys/arch/arm/arm/pmap7.c
index d4eb442..c4af1c8 100644 (file)
--- a/sys/arch/arm/arm/pmap7.c
+++ b/sys/arch/arm/arm/pmap7.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pmap7.c,v 1.64 2022/09/10 20:35:28 miod Exp $ */
+/*     $OpenBSD: pmap7.c,v 1.65 2022/09/12 19:28:19 miod Exp $ */
 /*     $NetBSD: pmap.c,v 1.147 2004/01/18 13:03:50 scw Exp $   */
 
 /*
@@ -951,13 +951,6 @@ pmap_clean_page(struct vm_page *pg)
                if (pv->pv_pmap != pmap_kernel() && pv->pv_pmap != pm)
                        continue;
 
-               /*
-                * The page is mapped non-cacheable in 
-                * this map.  No need to flush the cache.
-                */
-               if (pv->pv_flags & PVF_NC) /* XXX ought to be pg attr */
-                       break;
-
                if (PV_BEEN_EXECD(pv->pv_flags))
                        cpu_icache_sync_range(pv->pv_va, PAGE_SIZE);
        }

diff --git a/sys/arch/arm/include/pmap.h b/sys/arch/arm/include/pmap.h
index f2a34d5..213ff35 100644 (file)
--- a/sys/arch/arm/include/pmap.h
+++ b/sys/arch/arm/include/pmap.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: pmap.h,v 1.50 2022/09/08 10:21:45 miod Exp $  */
+/*     $OpenBSD: pmap.h,v 1.51 2022/09/12 19:28:19 miod Exp $  */
 /*     $NetBSD: pmap.h,v 1.76 2003/09/06 09:10:46 rearnsha Exp $       */
 
 /*
@@ -212,21 +212,15 @@ typedef struct pv_addr {
  * Flags that indicate attributes of pages or mappings of pages.
  *
  * The PVF_MOD and PVF_REF flags are stored in the mdpage for each
- * page.  PVF_WIRED, PVF_WRITE, and PVF_NC are kept in individual
- * pv_entry's for each page.  They live in the same "namespace" so
- * that we can clear multiple attributes at a time.
- *
- * Note the "non-cacheable" flag generally means the page has
- * multiple mappings in a given address space.
+ * page.  PVF_WIRED and PVF_WRITE are kept in individual pv_entry's
+ * for each page.  They live in the same "namespace" so that we can
+ * clear multiple attributes at a time.
  */
 #define        PVF_MOD         0x01            /* page is modified */
 #define        PVF_REF         0x02            /* page is referenced */
 #define        PVF_WIRED       0x04            /* mapping is wired */
 #define        PVF_WRITE       0x08            /* mapping is writable */
 #define        PVF_EXEC        0x10            /* mapping is executable */
-#define        PVF_UNC         0x20            /* mapping is 'user' non-cacheable */
-#define        PVF_KNC         0x40            /* mapping is 'kernel' non-cacheable */
-#define        PVF_NC          (PVF_UNC|PVF_KNC)
 
 /*
  * Commonly referenced structures