linux-kernel - Re: [next] mips: madvise.c:55:7: error: 'MADV_DONTNEED

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Date:   Mon, 7 Mar 2022 11:44:39 -0500
From:   Johannes Weiner <hannes@...xchg.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        regressions@...ts.linux.dev, lkft-triage@...ts.linaro.org,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Nadav Amit <nadav.amit@...il.com>,
        David Hildenbrand <david@...hat.com>,
        "Dr. David Alan Gilbert" <dgilbert@...hat.com>
Subject: Re: [next] mips: madvise.c:55:7: error: 'MADV_DONTNEED_LOCKED'
 undeclared

On Mon, Mar 07, 2022 at 09:45:38PM +0530, Naresh Kamboju wrote:
> Following build regressions errors/warnings noticed on mips architecture on
> linux next-20220307 build.
> 
> make --silent --keep-going --jobs=8
> O=/home/tuxbuild/.cache/tuxmake/builds/1/build ARCH=mips
> CROSS_COMPILE=mips-linux-gnu- 'CC=sccache mips-linux-gnu-gcc'
> 'HOSTCC=sccache gcc'
> 
> mm/madvise.c: In function 'madvise_need_mmap_write':
> mm/madvise.c:55:7: error: 'MADV_DONTNEED_LOCKED' undeclared (first use
> in this function); did you mean 'MADV_DONTNEED'?
>    55 |  case MADV_DONTNEED_LOCKED:

Thanks for the report, I sent a fix in reply to Stephen:

https://lore.kernel.org/lkml/YiY2KYyjsCaANwo0@cmpxchg.org/T/#m58a9804edb680303b7351fb7cf6d9c93096ccaad