diff --git a/mm/mmap.c b/mm/mmap.c
index 9d54851..fa206ab 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1872,7 +1872,7 @@
 
 	info.flags = 0;
 	info.length = len;
-	info.low_limit = TASK_UNMAPPED_BASE;
+	info.low_limit = mm->mmap_base;
 	info.high_limit = TASK_SIZE;
 	info.align_mask = 0;
 	return vm_unmapped_area(&info);