1 files changed, 4 insertions, 0 deletions

diff --git a/mm/mmap.c b/mm/mmap.c
index bdace87d7c01..2526463c99a7 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1880,6 +1880,10 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
         if ((addr + len) > TASK_SIZE || (addr + len) < addr)
                 return -EINVAL;
 
+        error = is_hugepage_only_range(current->mm, addr, len);
+        if (error)
+                return error;
+
         flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
 
         error = arch_mmap_check(addr, len, flags);