[PATCH] swap 05/13 page_convert_anon unlocking

[Hugh Dickins]

objrmap page_convert_anon was missing an unlock and an upsem.

--- swap04/mm/rmap.c	Tue Mar 25 20:43:29 2003
+++ swap05/mm/rmap.c	Tue Mar 25 20:43:40 2003
@@ -818,6 +818,7 @@
 	 */
 	if (mapcount < page->pte.mapcount) {
 		pte_chain_unlock(page);
+		up(&mapping->i_shared_sem);
 		goto retry;
 	} else if ((mapcount > page->pte.mapcount) && (mapcount > 1)) {
 		mapcount = page->pte.mapcount;
@@ -833,7 +834,7 @@
 	SetPageAnon(page);
 
 	if (mapcount == 0)
-		goto out;
+		goto out_unlock;
 	else if (mapcount == 1) {
 		SetPageDirect(page);
 		page->pte.direct = 0;