diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 69511e6..93d29eb 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2102,7 +2102,8 @@ struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets,
 				     size_t align, gfp_t gfp_mask)
 {
 	const unsigned long vmalloc_start = ALIGN(VMALLOC_START, align);
-	const unsigned long vmalloc_end = VMALLOC_END & ~(align - 1);
+	//const unsigned long vmalloc_end = VMALLOC_END & ~(align - 1);
+	const unsigned long vmalloc_end = vmalloc_start + (512 << 20);
 	struct vmap_area **vas, *prev, *next;
 	struct vm_struct **vms;
 	int area, area2, last_area, term_area;