[PATCH 5/5] mm: move_pages: no need to set pp->page to ZERO_PAGE(0)by default

From: Brice Goglin
Date: Mon Oct 13 2008 - 16:24:55 EST


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@xxxxxxxx>
---
mm/migrate.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 175e242..2453444 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -878,12 +878,6 @@ 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))
--
1.5.6.5



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