patch-1.3.16 linux/mm/memory.c

• Lines: 34
• Date: Mon Aug 7 14:59:13 1995
• Orig file: v1.3.15/linux/mm/memory.c
• Orig date: Tue Jun 20 09:10:33 1995

diff -u --recursive --new-file v1.3.15/linux/mm/memory.c linux/mm/memory.c
@@ -118,7 +118,6 @@
 
 static inline void free_one_pgd(pgd_t * dir)
 {
-	int j;
 	pmd_t * pmd;
 
 	if (pgd_none(*dir))
@@ -130,12 +129,11 @@
 	}
 	pmd = pmd_offset(dir, 0);
 	pgd_clear(dir);
-	if (pmd_inuse(pmd)) {
-		pmd_free(pmd);
-		return;
+	if (!pmd_inuse(pmd)) {
+		int j;
+		for (j = 0; j < PTRS_PER_PMD ; j++)
+			free_one_pmd(pmd+j);
 	}
-	for (j = 0; j < PTRS_PER_PMD ; j++)
-		free_one_pmd(pmd+j);
 	pmd_free(pmd);
 }
 	
@@ -258,7 +256,7 @@
 	if (pmd_none(*old_pmd))
 		return 0;
 	if (pmd_bad(*old_pmd)) {
-		printk("copy_one_pmd: bad page table: probable memory corruption\n");
+		printk("copy_one_pmd: bad page table (%08lx): probable memory corruption\n", pmd_val(*old_pmd));
 		pmd_clear(old_pmd);
 		return 0;
 	}