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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[cascardo/linux.git]
/
mm
/
hugetlb.c
diff --git
a/mm/hugetlb.c
b/mm/hugetlb.c
index
ef96830
..
b9aa1b0
100644
(file)
--- a/
mm/hugetlb.c
+++ b/
mm/hugetlb.c
@@
-3942,6
+3942,14
@@
same_page:
return i ? i : -EFAULT;
}
return i ? i : -EFAULT;
}
+#ifndef __HAVE_ARCH_FLUSH_HUGETLB_TLB_RANGE
+/*
+ * ARCHes with special requirements for evicting HUGETLB backing TLB entries can
+ * implement this.
+ */
+#define flush_hugetlb_tlb_range(vma, addr, end) flush_tlb_range(vma, addr, end)
+#endif
+
unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot)
{
unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
unsigned long address, unsigned long end, pgprot_t newprot)
{
@@
-4002,7
+4010,7
@@
unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
* once we release i_mmap_rwsem, another task can do the final put_page
* and that page table be reused and filled with junk.
*/
* once we release i_mmap_rwsem, another task can do the final put_page
* and that page table be reused and filled with junk.
*/
- flush_tlb_range(vma, start, end);
+ flush_
hugetlb_
tlb_range(vma, start, end);
mmu_notifier_invalidate_range(mm, start, end);
i_mmap_unlock_write(vma->vm_file->f_mapping);
mmu_notifier_invalidate_range_end(mm, start, end);
mmu_notifier_invalidate_range(mm, start, end);
i_mmap_unlock_write(vma->vm_file->f_mapping);
mmu_notifier_invalidate_range_end(mm, start, end);