diff --git a/mm/mmap.c b/mm/mmap.c
index da15a79b1441b665b0e4b962eea38a92407018fd..4f31764d838f42d7c9e1561be097afc5dcf7fb44 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1426,10 +1426,8 @@ void arch_unmap_area(struct mm_struct *mm, unsigned long addr)
 	/*
 	 * Is this a new hole at the lowest possible address?
 	 */
-	if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache) {
+	if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache)
 		mm->free_area_cache = addr;
-		mm->cached_hole_size = ~0UL;
-	}
 }
 
 /*