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Date: Mon, 20 Feb 2017 11:30:26 +0800 From: "Hillf Danton" <hillf.zj@...baba-inc.com> To: "'Aneesh Kumar K.V'" <aneesh.kumar@...ux.vnet.ibm.com>, <akpm@...ux-foundation.org>, "'Rik van Riel'" <riel@...riel.com>, "'Mel Gorman'" <mgorman@...hsingularity.net> Cc: <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] mm/thp/autonuma: Use TNF flag instead of vm fault. 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@...ux.vnet.ibm.com> Fix: bae473a423 ("mm: introduce fault_env") Acked-by: Hillf Danton <hillf.zj@...baba-inc.com> > --- > 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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