PERFORCE change 132377 for review

[Warner Losh]

http://perforce.freebsd.org/chv.cgi?CH=132377

Change 132377 by imp at imp_paco-paco on 2008/01/03 07:04:33

	Remove sva, eva parameters from pmap_remove_pages.  Remove unused
	rouine.  Make decl for pmap_init_fpage() dependent on
	VM_ALLOC_WIRED_TLB_PG_POOL.

Affected files ...

.. //depot/projects/mips2-jnpr/src/sys/mips/mips/pmap.c#11 edit

Differences ...

==== //depot/projects/mips2-jnpr/src/sys/mips/mips/pmap.c#11 (text+ko) ====

@@ -181,7 +181,9 @@
 static int init_pte_prot(vm_offset_t va, vm_page_t m, vm_prot_t prot);
 static void pmap_TLB_invalidate_kernel(vm_offset_t);
 static void pmap_TLB_update_kernel(vm_offset_t, pt_entry_t);
+#ifdef VM_ALLOC_WIRED_TLB_PG_POOL
 static void pmap_init_fpage(void);
+#endif
 #ifdef SMP
 static void pmap_invalidate_page_action(void *arg);
 static void pmap_invalidate_all_action(void *arg);
@@ -2121,31 +2123,6 @@
 	}
 }
 
-/*
- * this routine returns true if a physical page resides
- * in the given pmap.
- */
-static boolean_t
-pmap_page_exists(pmap_t pmap, vm_page_t m)
-{
-	register pv_entry_t pv;
-
-	if (m->flags & PG_FICTITIOUS)
-		return FALSE;
-
-	mtx_assert(&vm_page_queue_mtx, MA_OWNED);
-	/*
-	 * Not found, check current mappings returning immediately if found.
-	 */
-	TAILQ_FOREACH(pv, &m->md.pv_list, pv_list) {
-		if (pv->pv_pmap == pmap) {
-			return TRUE;
-		}
-	}
-	return (FALSE);
-}
-/* N/C */
-
 #define	PMAP_REMOVE_PAGES_CURPROC_ONLY
 /*
  * Remove all pages from specified address space
@@ -2156,7 +2133,7 @@
  * in the case of running down an entire address space.
  */
 void
-pmap_remove_pages(pmap_t pmap, vm_offset_t sva, vm_offset_t eva)
+pmap_remove_pages(pmap_t pmap)
 {
 	pt_entry_t *pte, tpte;
 	pv_entry_t pv, npv;
@@ -2171,16 +2148,12 @@
 
 	vm_page_lock_queues();
 	PMAP_LOCK(pmap);
-
+	sched_pin();
+	//XXX need to be TAILQ_FOREACH_SAFE?
 	for(pv = TAILQ_FIRST(&pmap->pm_pvlist);
 		pv;
 		pv = npv) {
 
-		if (pv->pv_va >= eva || pv->pv_va < sva) {
-			npv = TAILQ_NEXT(pv, pv_plist);
-			continue;
-		}
-
 		pte = pmap_pte(pv->pv_pmap, pv->pv_va);
 		if (!pmap_pte_v(pte))
 			panic("pmap_remove_pages: page on pm_pvlist has no pte\n");
@@ -2221,6 +2194,7 @@
 		pmap_unuse_pt(pv->pv_pmap, pv->pv_va, pv->pv_ptem);
 		free_pv_entry(pv);
 	}
+	sched_unpin();
 	pmap_invalidate_all(pmap);
 	PMAP_UNLOCK(pmap);
 	vm_page_unlock_queues();