1 files changed, 7 insertions, 0 deletions

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 8e1b7825e2f3..fe625cd1719a 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -22,6 +22,7 @@
 #include <linux/backing-dev.h>
 #include <linux/hugetlb.h>
 #include <linux/pagevec.h>
+#include <linux/mman.h>
 #include <linux/quotaops.h>
 #include <linux/slab.h>
 #include <linux/dnotify.h>
@@ -112,6 +113,12 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
         if (len > TASK_SIZE)
                 return -ENOMEM;
 
+        if (flags & MAP_FIXED) {
+                if (prepare_hugepage_range(addr, len, pgoff))
+                        return -EINVAL;
+                return addr;
+        }
+
         if (addr) {
                 addr = ALIGN(addr, HPAGE_SIZE);
                 vma = find_vma(mm, addr);