Re: [PATCH 31/40] autonuma: reset autonuma page data when pages are freed

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On 06/28/2012 08:56 AM, Andrea Arcangeli wrote:
When pages are freed abort any pending migration. If knuma_migrated
arrives first it will notice because get_page_unless_zero would fail.

Signed-off-by: Andrea Arcangeli<aarcange@xxxxxxxxxx>
---
  mm/page_alloc.c |    4 ++++
  1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 48eabe9..841d964 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -615,6 +615,10 @@ static inline int free_pages_check(struct page *page)
  		bad_page(page);
  		return 1;
  	}
+	autonuma_migrate_page_remove(page);
+#ifdef CONFIG_AUTONUMA
+	page->autonuma_last_nid = -1;
+#endif

Should these both be under the #ifdef ?

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