--- zzzz-none-000/linux-3.10.107/arch/ia64/include/asm/hugetlb.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/ia64/include/asm/hugetlb.h	2021-02-04 17:41:59.000000000 +0000
@@ -20,10 +20,6 @@
 		REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
 }
 
-static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
-{
-}
-
 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
 				   pte_t *ptep, pte_t pte)
 {
@@ -69,15 +65,6 @@
 	return *ptep;
 }
 
-static inline int arch_prepare_hugepage(struct page *page)
-{
-	return 0;
-}
-
-static inline void arch_release_hugepage(struct page *page)
-{
-}
-
 static inline void arch_clear_hugepage_flags(struct page *page)
 {
 }