patch-2.3.9 linux/mm/mprotect.c

• Lines: 27
• Date: Mon Jun 28 13:52:05 1999
• Orig file: v2.3.8/linux/mm/mprotect.c
• Orig date: Fri Nov 20 11:43:19 1998

diff -u --recursive --new-file v2.3.8/linux/mm/mprotect.c linux/mm/mprotect.c
@@ -103,7 +103,7 @@
 	n->vm_flags = newflags;
 	n->vm_page_prot = prot;
 	if (n->vm_file)
-		n->vm_file->f_count++;
+		atomic_inc(&n->vm_file->f_count);
 	if (n->vm_ops && n->vm_ops->open)
 		n->vm_ops->open(n);
 	insert_vm_struct(current->mm, n);
@@ -126,7 +126,7 @@
 	n->vm_flags = newflags;
 	n->vm_page_prot = prot;
 	if (n->vm_file)
-		n->vm_file->f_count++;
+		atomic_inc(&n->vm_file->f_count);
 	if (n->vm_ops && n->vm_ops->open)
 		n->vm_ops->open(n);
 	insert_vm_struct(current->mm, n);
@@ -158,7 +158,7 @@
 	vma->vm_flags = newflags;
 	vma->vm_page_prot = prot;
 	if (vma->vm_file)
-		vma->vm_file->f_count += 2;
+		atomic_add(2,&vma->vm_file->f_count);
 	if (vma->vm_ops && vma->vm_ops->open) {
 		vma->vm_ops->open(left);
 		vma->vm_ops->open(right);