summaryrefslogtreecommitdiffstats
path: root/arch/ia64/mm/hugetlbpage.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/mm/hugetlbpage.c')
-rw-r--r--arch/ia64/mm/hugetlbpage.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index eee5c1cfbe32..0c7e94edc20e 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -64,14 +64,21 @@ huge_pte_offset (struct mm_struct *mm, unsigned long addr)
return pte;
}
+int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
+{
+ return 0;
+}
+
#define mk_pte_huge(entry) { pte_val(entry) |= _PAGE_P; }
/*
* Don't actually need to do any preparation, but need to make sure
* the address is in the right region.
*/
-int prepare_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(unsigned long addr, unsigned long len, pgoff_t pgoff)
{
+ if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT))
+ return -EINVAL;
if (len & ~HPAGE_MASK)
return -EINVAL;
if (addr & ~HPAGE_MASK)