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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>
This commit is contained in:
Brice Goglin 2009-01-06 14:38:58 -08:00 committed by Linus Torvalds
parent 3140a22730
commit 5bd1455c23
1 changed files with 0 additions and 6 deletions
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6
mm/migrate.c
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@ -848,12 +848,6 @@ static int do_move_page_to_node_array(struct mm_struct *mm,
struct vm_area_struct *vma;
struct page *page;
/*
* A valid page pointer that will not match any of the
* pages that will be moved.
*/
pp->page = ZERO_PAGE(0);
err = -EFAULT;
vma = find_vma(mm, pp->addr);
if (!vma || !vma_migratable(vma))