patch-2.4.4 linux/arch/s390/mm/ioremap.c

• Lines: 43
• Date: Wed Apr 11 19:02:27 2001
• Orig file: v2.4.3/linux/arch/s390/mm/ioremap.c
• Orig date: Tue Feb 13 14:13:44 2001

diff -u --recursive --new-file v2.4.3/linux/arch/s390/mm/ioremap.c linux/arch/s390/mm/ioremap.c
@@ -54,7 +54,7 @@
 	if (address >= end)
 		BUG();
 	do {
-		pte_t * pte = pte_alloc_kernel(pmd, address);
+		pte_t * pte = pte_alloc(&init_mm, pmd, address);
 		if (!pte)
 			return -ENOMEM;
 		remap_area_pte(pte, address, end - address, address + phys_addr, flags);
@@ -67,6 +67,7 @@
 static int remap_area_pages(unsigned long address, unsigned long phys_addr,
 				 unsigned long size, unsigned long flags)
 {
+	int error;
 	pgd_t * dir;
 	unsigned long end = address + size;
 
@@ -75,17 +76,21 @@
 	flush_cache_all();
 	if (address >= end)
 		BUG();
+	spin_lock(&init_mm.page_table_lock);
 	do {
-		pmd_t *pmd = pmd_alloc_kernel(dir, address);
+		pmd_t *pmd;
+		pmd = pmd_alloc(&init_mm, dir, address);
+		error = -ENOMEM;
 		if (!pmd)
-			return -ENOMEM;
+			break;
 		if (remap_area_pmd(pmd, address, end - address,
 					 phys_addr + address, flags))
-			return -ENOMEM;
-		set_pgdir(address, *dir);
+			break;
+		error = 0;
 		address = (address + PGDIR_SIZE) & PGDIR_MASK;
 		dir++;
 	} while (address && (address < end));
+	spin_unlock(&init_mm.page_table_lock);
 	flush_tlb_all();
 	return 0;
 }