linux-kernel - Re: [PATCH 1/2] mm: kmsan: handle alloc failures in kmsan_vmap_pages_range

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Message-ID: <CAG_fn=Wqf0E0Uo8wA5pdhgpreKZB7TPU-DiyERyG=T7bqqiJ9A@mail.gmail.com>
Date:   Thu, 13 Apr 2023 15:19:29 +0200
From:   Alexander Potapenko <glider@...gle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     kernel test robot <lkp@...el.com>, llvm@...ts.linux.dev,
        oe-kbuild-all@...ts.linux.dev, urezki@...il.com, hch@...radead.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org, elver@...gle.com,
        dvyukov@...gle.com, kasan-dev@...glegroups.com,
        Dipanjan Das <mail.dipanjan.das@...il.com>
Subject: Re: [PATCH 1/2] mm: kmsan: handle alloc failures in kmsan_vmap_pages_range_noflush()

On Wed, Apr 12, 2023 at 11:06 PM Andrew Morton
<akpm@...ux-foundation.org> wrote:
>
> On Thu, 13 Apr 2023 02:27:19 +0800 kernel test robot <lkp@...el.com> wrote:
>
> > Hi Alexander,
> >
> > kernel test robot noticed the following build errors:
> >
> > [auto build test ERROR on akpm-mm/mm-everything]
> >
> > >> include/linux/kmsan.h:291:1: error: non-void function does not return a value [-Werror,-Wreturn-type]
>
> Thanks, I'll do this:
Thanks!
I sent an updated version of the patch series, which includes your fix
as well as a couple more improvements (__must_check annotations in
particular)