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Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
-rw-r--r--arch/powerpc/mm/hugetlbpage.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 5615acc2952..506d89768d4 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -480,9 +480,6 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
mm->context.high_htlb_areas |= newareas;
- /* update the paca copy of the context struct */
- get_paca()->context = mm->context;
-
/* the context change must make it to memory before the flush,
* so that further SLB misses do the right thing. */
mb();
@@ -494,11 +491,15 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
return 0;
}
-int prepare_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(unsigned long addr, unsigned long len, pgoff_t pgoff)
{
int err = 0;
- if ( (addr+len) < addr )
+ if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT))
+ return -EINVAL;
+ if (len & ~HPAGE_MASK)
+ return -EINVAL;
+ if (addr & ~HPAGE_MASK)
return -EINVAL;
if (addr < 0x100000000UL)