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mmu_notifier: call mmu_notifier_invalidate_range() from VMM

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Add calls to the new mmu_notifier_invalidate_range() function to all
places in the VMM that need it.

Signed-off-by: Joerg Roedel <[email protected]>
Reviewed-by: Andrea Arcangeli <[email protected]>
Reviewed-by: Jérôme Glisse <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Jay Cornwall <[email protected]>
Cc: Oded Gabbay <[email protected]>
Cc: Suravee Suthikulpanit <[email protected]>
Cc: Jesse Barnes <[email protected]>
Cc: David Woodhouse <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
This commit is contained in:
Joerg Roedel 2014-11-13 13:46:09 +11:00 • committed by Oded Gabbay
commit 34ee645e83
9 changed files with 61 additions and 12 deletions
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4
mm/ksm.c
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@ -892,7 +892,7 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page,
* this assure us that no O_DIRECT can happen after the check
* or in the middle of the check.
*/
entry = ptep_clear_flush(vma, addr, ptep);
entry = ptep_clear_flush_notify(vma, addr, ptep);
/*
* Check that no O_DIRECT or similar I/O is in progress on the
* page
@ -960,7 +960,7 @@ static int replace_page(struct vm_area_struct *vma, struct page *page,
page_add_anon_rmap(kpage, vma, addr);
flush_cache_page(vma, addr, pte_pfn(*ptep));
ptep_clear_flush(vma, addr, ptep);
ptep_clear_flush_notify(vma, addr, ptep);
set_pte_at_notify(mm, addr, ptep, mk_pte(kpage, vma->vm_page_prot));
page_remove_rmap(page);