Merge branch 'linus' into core/rcu

1 files changed, 4 insertions, 1 deletions

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index a117024ab8c..f0c3b88d50f 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -507,6 +507,9 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 {
 	struct hstate *hstate = hstate_file(file);
 	int mmu_psize = shift_to_mmu_psize(huge_page_shift(hstate));
+
+	if (!mmu_huge_psizes[mmu_psize])
+		return -EINVAL;
 	return slice_get_unmapped_area(addr, len, flags, mmu_psize, 1, 0);
 }
 
@@ -677,7 +680,7 @@ repeat:
 	return err;
 }
 
-void set_huge_psize(int psize)
+static void __init set_huge_psize(int psize)
 {
 	/* Check that it is a page size supported by the hardware and
 	 * that it fits within pagetable limits. */