diff options
Diffstat (limited to 'arch/ia64/mm/hugetlbpage.c')
| -rw-r--r-- | arch/ia64/mm/hugetlbpage.c | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c index 40ad8328ffd..626258ae974 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) |