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From: Kip Macy <kmacy@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 133439 for review
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http://perforce.freebsd.org/chv.cgi?CH=133439

Change 133439 by kmacy@pandemonium:kmacy:xen31 on 2008/01/16 23:21:32

	remove unused pv_list_count

Affected files ...

.. //depot/projects/xen31/sys/i386/xen/pmap.c#14 edit

Differences ...

==== //depot/projects/xen31/sys/i386/xen/pmap.c#14 (text+ko) ====

@@ -562,7 +562,6 @@
 {
 
 	TAILQ_INIT(&m->md.pv_list);
-	m->md.pv_list_count = 0;
 }
 
 #ifdef PAE
@@ -1934,7 +1933,6 @@
 			TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
 			if (TAILQ_EMPTY(&m->md.pv_list))
 				vm_page_flag_clear(m, PG_WRITEABLE);
-			m->md.pv_list_count--;
 			free_pv_entry(pmap, pv);
 			if (pmap != locked_pmap)
 				PMAP_UNLOCK(pmap);
@@ -2091,7 +2089,6 @@
 	}
 	KASSERT(pv != NULL, ("pmap_remove_entry: pv not found"));
 	TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
-	m->md.pv_list_count--;
 	if (TAILQ_EMPTY(&m->md.pv_list))
 		vm_page_flag_clear(m, PG_WRITEABLE);
 	free_pv_entry(pmap, pv);
@@ -2111,7 +2108,6 @@
 	pv = get_pv_entry(pmap, FALSE);
 	pv->pv_va = va;
 	TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
-	m->md.pv_list_count++;
 }
 
 /*
@@ -2128,7 +2124,6 @@
 	    (pv = get_pv_entry(pmap, TRUE)) != NULL) {
 		pv->pv_va = va;
 		TAILQ_INSERT_TAIL(&m->md.pv_list, pv, pv_list);
-		m->md.pv_list_count++;
 		return (TRUE);
 	} else
 		return (FALSE);
@@ -2352,7 +2347,6 @@
 		pmap_invalidate_page(pmap, pv->pv_va);
 		pmap_free_zero_pages(free);
 		TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
-		m->md.pv_list_count--;
 		free_pv_entry(pmap, pv);
 		PMAP_UNLOCK(pmap);
 	}
@@ -3359,7 +3353,6 @@
 				PV_STAT(pv_entry_spare++);
 				pv_entry_count--;
 				pc->pc_map[field] |= bitmask;
-				m->md.pv_list_count--;
 				TAILQ_REMOVE(&m->md.pv_list, pv, pv_list);
 				if (TAILQ_EMPTY(&m->md.pv_list))
 					vm_page_flag_clear(m, PG_WRITEABLE);