4 files changed, 91 insertions, 15 deletions

diff --git a/include/asm-ia64/hugetlb.h b/include/asm-ia64/hugetlb.h
new file mode 100644
index 000000000000..f28a9701f1cf
--- /dev/null
+++ b/include/asm-ia64/hugetlb.h
@@ -0,0 +1,79 @@
+#ifndef _ASM_IA64_HUGETLB_H
+#define _ASM_IA64_HUGETLB_H
+
+#include <asm/page.h>
+
+
+void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
+			    unsigned long end, unsigned long floor,
+			    unsigned long ceiling);
+
+int prepare_hugepage_range(unsigned long addr, unsigned long len);
+
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+					 unsigned long addr,
+					 unsigned long len)
+{
+	return (REGION_NUMBER(addr) == RGN_HPAGE ||
+		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)
+{
+	set_pte_at(mm, addr, ptep, pte);
+}
+
+static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
+					    unsigned long addr, pte_t *ptep)
+{
+	return ptep_get_and_clear(mm, addr, ptep);
+}
+
+static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
+					 unsigned long addr, pte_t *ptep)
+{
+}
+
+static inline int huge_pte_none(pte_t pte)
+{
+	return pte_none(pte);
+}
+
+static inline pte_t huge_pte_wrprotect(pte_t pte)
+{
+	return pte_wrprotect(pte);
+}
+
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+					   unsigned long addr, pte_t *ptep)
+{
+	ptep_set_wrprotect(mm, addr, ptep);
+}
+
+static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
+					     unsigned long addr, pte_t *ptep,
+					     pte_t pte, int dirty)
+{
+	return ptep_set_access_flags(vma, addr, ptep, pte, dirty);
+}
+
+static inline pte_t huge_ptep_get(pte_t *ptep)
+{
+	return *ptep;
+}
+
+static inline int arch_prepare_hugepage(struct page *page)
+{
+	return 0;
+}
+
+static inline void arch_release_hugepage(struct page *page)
+{
+}
+
+#endif /* _ASM_IA64_HUGETLB_H */
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index 4999a6c63775..36f39321b768 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -54,9 +54,6 @@
 # define HPAGE_MASK		(~(HPAGE_SIZE - 1))
 
 # define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-# define ARCH_HAS_HUGEPAGE_ONLY_RANGE
-# define ARCH_HAS_PREPARE_HUGEPAGE_RANGE
-# define ARCH_HAS_HUGETLB_FREE_PGD_RANGE
 #endif /* CONFIG_HUGETLB_PAGE */
 
 #ifdef __ASSEMBLY__
@@ -153,9 +150,6 @@ typedef union ia64_va {
 # define htlbpage_to_page(x)	(((unsigned long) REGION_NUMBER(x) << 61)			\
 				 | (REGION_OFFSET(x) >> (HPAGE_SHIFT-PAGE_SHIFT)))
 # define HUGETLB_PAGE_ORDER	(HPAGE_SHIFT - PAGE_SHIFT)
-# define is_hugepage_only_range(mm, addr, len)		\
-	 (REGION_NUMBER(addr) == RGN_HPAGE ||	\
-	  REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE)
 extern unsigned int hpage_shift;
 #endif
 
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index ed70862ea247..7a9bff47564f 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -302,6 +302,8 @@ ia64_phys_addr_valid (unsigned long addr)
 #define pte_dirty(pte)		((pte_val(pte) & _PAGE_D) != 0)
 #define pte_young(pte)		((pte_val(pte) & _PAGE_A) != 0)
 #define pte_file(pte)		((pte_val(pte) & _PAGE_FILE) != 0)
+#define pte_special(pte)	0
+
 /*
  * Note: we convert AR_RWX to AR_RX and AR_RW to AR_R by clearing the 2nd bit in the
  * access rights:
@@ -313,6 +315,7 @@ ia64_phys_addr_valid (unsigned long addr)
 #define pte_mkclean(pte)	(__pte(pte_val(pte) & ~_PAGE_D))
 #define pte_mkdirty(pte)	(__pte(pte_val(pte) | _PAGE_D))
 #define pte_mkhuge(pte)		(__pte(pte_val(pte)))
+#define pte_mkspecial(pte)	(pte)
 
 /*
  * Because ia64's Icache and Dcache is not coherent (on a cpu), we need to
diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index dff8128fa58e..26e250bfb912 100644
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -146,23 +146,23 @@ do {						\
 
 # define local_irq_save(x)					\
 do {								\
-	unsigned long psr;					\
+	unsigned long __psr;					\
 								\
-	__local_irq_save(psr);					\
-	if (psr & IA64_PSR_I)					\
+	__local_irq_save(__psr);				\
+	if (__psr & IA64_PSR_I)					\
 		__save_ip();					\
-	(x) = psr;						\
+	(x) = __psr;						\
 } while (0)
 
-# define local_irq_disable()	do { unsigned long x; local_irq_save(x); } while (0)
+# define local_irq_disable()	do { unsigned long __x; local_irq_save(__x); } while (0)
 
 # define local_irq_restore(x)					\
 do {								\
-	unsigned long old_psr, psr = (x);			\
+	unsigned long __old_psr, __psr = (x);			\
 								\
-	local_save_flags(old_psr);				\
-	__local_irq_restore(psr);				\
-	if ((old_psr & IA64_PSR_I) && !(psr & IA64_PSR_I))	\
+	local_save_flags(__old_psr);				\
+	__local_irq_restore(__psr);				\
+	if ((__old_psr & IA64_PSR_I) && !(__psr & IA64_PSR_I))	\
 		__save_ip();					\
 } while (0)