Merge git://oss.sgi.com:8090/nathans/xfs-2.6

[linux-2.6-omap-h63xx.git] / arch / ia64 / mm / hugetlbpage.c

diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index 2d13889d0a9915da645b074ecbef1f8a0b56d116..8d506710fdbd721f82c88aac5f9f5a20bae13b59 100644 (file)
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -68,9 +68,10 @@ huge_pte_offset (struct mm_struct *mm, unsigned long addr)
 #define mk_pte_huge(entry) { pte_val(entry) |= _PAGE_P; }
 
 /*
- * This function checks for proper alignment of input addr and len parameters.
+ * Don't actually need to do any preparation, but need to make sure
+ * the address is in the right region.
  */
-int is_aligned_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(unsigned long addr, unsigned long len)
 {
        if (len & ~HPAGE_MASK)
                return -EINVAL;
@@ -112,8 +113,7 @@ void hugetlb_free_pgd_range(struct mmu_gather **tlb,
                        unsigned long floor, unsigned long ceiling)
 {
        /*
-        * This is called only when is_hugepage_only_range(addr,),
-        * and it follows that is_hugepage_only_range(end,) also.
+        * This is called to free hugetlb page tables.
         *
         * The offset of these addresses from the base of the hugetlb
         * region must be scaled down by HPAGE_SIZE/PAGE_SIZE so that
@@ -125,9 +125,9 @@ void hugetlb_free_pgd_range(struct mmu_gather **tlb,
 
        addr = htlbpage_to_page(addr);
        end  = htlbpage_to_page(end);
-       if (is_hugepage_only_range(tlb->mm, floor, HPAGE_SIZE))
+       if (REGION_NUMBER(floor) == RGN_HPAGE)
                floor = htlbpage_to_page(floor);
-       if (is_hugepage_only_range(tlb->mm, ceiling, HPAGE_SIZE))
+       if (REGION_NUMBER(ceiling) == RGN_HPAGE)
                ceiling = htlbpage_to_page(ceiling);
 
        free_pgd_range(tlb, addr, end, floor, ceiling);