--- zzzz-none-000/linux-2.4.17/drivers/sound/cs46xx.c	2001-12-21 17:41:55.000000000 +0000
+++ sangam-fb-401/linux-2.4.17/drivers/sound/cs46xx.c	2004-04-08 07:35:46.000000000 +0000
@@ -2473,6 +2473,7 @@
 		ret = -EAGAIN;
 		goto out;
 	}
+	vma->vm_flags &= ~VM_IO;
 	dmabuf->mapped = 1;
 
 	CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_mmap()-\n") );