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Date:   Tue, 18 Oct 2022 13:55:08 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Dan Williams <dan.j.williams@intel.com>
Cc:     Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Tom Rix <trix@redhat.com>, <linux-mm@kvack.org>,
        <linux-kernel@vger.kernel.org>, <llvm@lists.linux.dev>,
        <patches@lists.linux.dev>
Subject: Re: [PATCH] mm/memremap: Mark folio_span_valid() as __maybe_unused
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On Tue, 18 Oct 2022 10:54:58 -0700 Dan Williams <dan.j.williams@intel.com> wrote:

> > ---
> > 
> > I am aware the Fixes SHA is probably not stable but I figured I would
> > include it anyways.
> 
> This fix looks good to me, but I assume commit-ids are not stable until
> the patch moves from mm-unstable to mm-stable. Andrew, do I have that
> right?

Yes, mm-unstable hashes change daily.  But knowing the title of the
patch which needs the fix is quite helpful.