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In-Reply-To: <20170606131704.azzk62zsunynhj7o@gmail.com>
References: <cover.1495990440.git.luto@kernel.org> <20170606131704.azzk62zsunynhj7o@gmail.com>
From: Andy Lutomirski <luto@kernel.org>
Date: Tue, 6 Jun 2017 08:55:29 -0700
Message-ID: <CALCETrVYhbwJLHS_GB-C9ktt3oQ1boFcHa9Ax11OMxMRTPZvag@mail.gmail.com>
Subject: Re: [PATCH v4 0/8] x86 TLB flush cleanups, moving toward PCID support
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Sender: owner-linux-mm@kvack.org
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To: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>, X86 ML <x86@kernel.org>, Borislav Petkov <bpetkov@suse.de>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Mel Gorman <mgorman@suse.de>, "linux-mm@kvack.org" <linux-mm@kvack.org>, Nadav Amit <nadav.amit@gmail.com>, Rik van Riel <riel@redhat.com>

On Tue, Jun 6, 2017 at 6:17 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> FYI, there's this new build failure in rare randconfig variants:
>
> In file included from ./include/linux/mm.h:1032:0,
>                  from arch/x86/mm/tlb.c:3:
> arch/x86/mm/tlb.c: In function =E2=80=98flush_tlb_func_remote=E2=80=99:
> arch/x86/mm/tlb.c:251:21: error: =E2=80=98NR_TLB_REMOTE_FLUSH_RECEIVED=E2=
=80=99 undeclared (first
> use in this function)
>   count_vm_tlb_event(NR_TLB_REMOTE_FLUSH_RECEIVED);
>                      ^
> ./include/linux/vmstat.h:91:49: note: in definition of macro =E2=80=98cou=
nt_vm_tlb_event=E2=80=99
>  #define count_vm_tlb_event(x)    count_vm_event(x)
>                                                  ^
>
> Config attached.

This should be fixed by "[PATCH] vmstat: Make
NR_TLB_REMOTE_FLUSH_RECEIVED available even on UP", which I sent
yesterday.

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