powerpc/book3e: Change hugetlb preload to take vma argument

This avoids an extra find_vma() and is less error-prone.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 555044c..863f49d 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -52,7 +52,8 @@
 }
 #endif
 
-void book3e_hugetlb_preload(struct mm_struct *mm, unsigned long ea, pte_t pte);
+void book3e_hugetlb_preload(struct vm_area_struct *vma, unsigned long ea,
+			    pte_t pte);
 void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
 
 void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,