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From: KOSAKI Motohiro on 20 Jan 2010 01:10

commit 01b1ae63c2 (memcg: simple migration handling) removed
mem_cgroup_uncharge_cache_page() call from migrate_page_copy.
Then, now anon variable is unused.

This patch remove it.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro(a)jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu(a)jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura(a)mxp.nes.nec.co.jp>
---
mm/migrate.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index efddbf0..9e4a13f 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -275,8 +275,6 @@ static int migrate_page_move_mapping(struct address_space *mapping,
*/
static void migrate_page_copy(struct page *newpage, struct page *page)
{
- int anon;
-
copy_highpage(newpage, page);

if (PageError(page))
@@ -313,8 +311,6 @@ static void migrate_page_copy(struct page *newpage, struct page *page)
ClearPageSwapCache(page);
ClearPagePrivate(page);
set_page_private(page, 0);
- /* page->mapping contains a flag for PageAnon() */
- anon = PageAnon(page);
page->mapping = NULL;

/*
--
1.6.5.2



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