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-rw-r--r--arch/powerpc/mm/hugetlbpage.c5
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. */