b1d5488a252d ("mm: fix use-after free of page_ext after race with memory-offline") 64d8b9e14512 ("mm/page_table_check: use unsigned long for page counters and cleanup") cab0a7c11554 ("mm: make some vars and functions static or __init") df4e817b7108 ("mm: page table check") 512b7931ad05 ("Merge branch 'akpm' (patches from Andrew)")