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Date:   Tue, 17 Sep 2019 17:35:24 -0500 (CDT)
From:   Christoph Lameter <cl@linux.com>
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To:     David Rientjes <rientjes@google.com>
cc:     Qian Cai <cai@lca.pw>, akpm@linux-foundation.org,
        penberg@kernel.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/slub: fix -Wunused-function compiler warnings
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On Tue, 17 Sep 2019, David Rientjes wrote:

> On Tue, 17 Sep 2019, Qian Cai wrote:
>
> > tid_to_cpu() and tid_to_event() are only used in note_cmpxchg_failure()
> > when SLUB_DEBUG_CMPXCHG=y, so when SLUB_DEBUG_CMPXCHG=n by default,
> > Clang will complain that those unused functions.
> >
> > Signed-off-by: Qian Cai <cai@lca.pw>
>
> Acked-by: David Rientjes <rientjes@google.com>

Ditto