--- zzzz-none-000/linux-2.6.19.2/arch/parisc/kernel/sys_parisc.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/arch/parisc/kernel/sys_parisc.c	2007-01-19 14:42:56.000000000 +0000
@@ -107,7 +107,7 @@
 	if (len > TASK_SIZE)
 		return -ENOMEM;
 	if (!addr)
-		addr = TASK_UNMAPPED_BASE;
+		addr = current->mm->mmap_base;
 
 	if (filp) {
 		addr = get_shared_area(filp->f_mapping, addr, len, pgoff);