On February 19, 2017 6:00 PM Aneesh Kumar K.V wrote:
>
> We are using wrong flag value in task_numa_falt function. This can result in
> us doing wrong numa fault statistics update, because we update num_pages_migrate
> and numa_fault_locality etc based on the flag argument passed.
>
> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Fix: bae473a423 ("mm: introduce fault_env")
Acked-by: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
> ---
> mm/huge_memory.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index 5f3ad65c85de..8f1d93257fb9 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -1333,7 +1333,7 @@ int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd)
>
> if (page_nid != -1)
> task_numa_fault(last_cpupid, page_nid, HPAGE_PMD_NR,
> - vmf->flags);
> + flags);
>
> return 0;
> }
> --
> 2.7.4
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