mm/migrate.c: kill anon local variable from migrate_page_copy
commit 01b1ae63 ("memcg: simple migration handling") removed mem_cgroup_uncharge_cache_page() call from migrate_page_copy. Local variable `anon' is now unused. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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