Complete the transition from pmap_page_protect() to pmap_remove_write().

Originally, I had adopted sparc64's name, pmap_clear_write(), for the
function that is now pmap_remove_write().  However, this function is more
like pmap_remove_all() than like pmap_clear_modify() or
pmap_clear_reference(), hence, the name change.

The higher-level rationale behind this change is described in
src/sys/amd64/amd64/pmap.c revision 1.567.  The short version is that I'm
trying to clean up and fix our support for execute access.

Reviewed by: marcel@ (ia64)

1 files changed, 1 insertions, 18 deletions

diff --git a/sys/sparc64/sparc64/pmap.c b/sys/sparc64/sparc64/pmap.c
index 200867b..39b0f88 100644
--- a/sys/sparc64/sparc64/pmap.c
+++ b/sys/sparc64/sparc64/pmap.c
@@ -1770,23 +1770,6 @@ pmap_page_is_mapped(vm_page_t m)
 }
 
 /*
- * Lower the permission for all mappings to a given page.
- */
-void
-pmap_page_protect(vm_page_t m, vm_prot_t prot)
-{
-
-	KASSERT((m->flags & PG_FICTITIOUS) == 0,
-	    ("pmap_page_protect: fake page"));
-	if ((prot & VM_PROT_WRITE) == 0) {
-		if (prot & (VM_PROT_READ | VM_PROT_EXECUTE))
-			pmap_clear_write(m);
-		else
-			pmap_remove_all(m);
-	}
-}
-
-/*
  *	pmap_ts_referenced:
  *
  *	Return a count of reference bits for a page, clearing those bits.
@@ -1895,7 +1878,7 @@ pmap_clear_reference(vm_page_t m)
 }
 
 void
-pmap_clear_write(vm_page_t m)
+pmap_remove_write(vm_page_t m)
 {
 	struct tte *tp;
 	u_long data;