| From | Andrea Arcangeli <> | Subject | [PATCH 25/36] autonuma: reset autonuma page data when pages are freed | Date | Wed, 22 Aug 2012 16:59:09 +0200 |
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When pages are freed abort any pending migration. If knuma_migrated arrives first it will notice because get_page_unless_zero would fail.
You can safely ignore the #ifdef because a later patch (page_autonuma) clears it.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> --- 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 8c9cad5..49e2916 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -619,6 +619,10 @@ 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 if (page->flags & PAGE_FLAGS_CHECK_AT_PREP) page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; return 0;
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