patch-2.3.30 linux/arch/sparc/mm/generic.c

• Lines: 10
• Date: Mon Dec 6 10:17:31 1999
• Orig file: v2.3.29/linux/arch/sparc/mm/generic.c
• Orig date: Mon Nov 16 10:37:28 1998

diff -u --recursive --new-file v2.3.29/linux/arch/sparc/mm/generic.c linux/arch/sparc/mm/generic.c
@@ -91,7 +91,9 @@
 		pte_t * pte = pte_alloc(pmd, address);
 		if (!pte)
 			return -ENOMEM;
+		spin_lock(&current->mm->page_table_lock);
 		io_remap_pte_range(pte, address, end - address, address + offset, prot, space);
+		spin_unlock(&current->mm->page_table_lock);
 		address = (address + PMD_SIZE) & PMD_MASK;
 		pmd++;
 	} while (address < end);