1 files changed, 2 insertions, 35 deletions

diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index 40ad8328ffd5..626258ae9742 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -187,45 +187,12 @@ follow_huge_pmd(struct mm_struct *mm, unsigned long address, pmd_t *pmd, int wri
 }
 
 /*
- * Same as generic free_pgtables(), except constant PGDIR_* and pgd_offset
- * are hugetlb region specific.
+ * Do nothing, until we've worked out what to do!  To allow build, we
+ * must remove reference to clear_page_range since it no longer exists.
  */
 void hugetlb_free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *prev,
         unsigned long start, unsigned long end)
 {
-        unsigned long first = start & HUGETLB_PGDIR_MASK;
-        unsigned long last = end + HUGETLB_PGDIR_SIZE - 1;
-        struct mm_struct *mm = tlb->mm;
-
-        if (!prev) {
-                prev = mm->mmap;
-                if (!prev)
-                        goto no_mmaps;
-                if (prev->vm_end > start) {
-                        if (last > prev->vm_start)
-                                last = prev->vm_start;
-                        goto no_mmaps;
-                }
-        }
-        for (;;) {
-                struct vm_area_struct *next = prev->vm_next;
-
-                if (next) {
-                        if (next->vm_start < start) {
-                                prev = next;
-                                continue;
-                        }
-                        if (last > next->vm_start)
-                                last = next->vm_start;
-                }
-                if (prev->vm_end > first)
-                        first = prev->vm_end;
-                break;
-        }
-no_mmaps:
-        if (last < first)       /* for arches with discontiguous pgd indices */
-                return;
-        clear_page_range(tlb, first, last);
 }
 
 void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)