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mm: move_pages: no need to set pp->page to ZERO_PAGE(0) by default
pp->page is never used when not set to the right page, so there is no need to set it to ZERO_PAGE(0) by default. Signed-off-by: Brice Goglin <Brice.Goglin@inria.fr> Acked-by: Christoph Lameter <cl@linux-foundation.org> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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1 changed files with 0 additions and 6 deletions
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@ -848,12 +848,6 @@ static int do_move_page_to_node_array(struct mm_struct *mm,
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struct vm_area_struct *vma;
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struct vm_area_struct *vma;
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struct page *page;
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struct page *page;
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/*
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* A valid page pointer that will not match any of the
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* pages that will be moved.
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*/
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pp->page = ZERO_PAGE(0);
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err = -EFAULT;
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err = -EFAULT;
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vma = find_vma(mm, pp->addr);
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vma = find_vma(mm, pp->addr);
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if (!vma || !vma_migratable(vma))
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if (!vma || !vma_migratable(vma))
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