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

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Date:   Mon, 7 Mar 2022 21:45:38 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     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
Cc:     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>,
        Johannes Weiner <hannes@...xchg.org>
Subject: [next] mips: madvise.c:55:7: error: 'MADV_DONTNEED_LOCKED' undeclared

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:
      |       ^~~~~~~~~~~~~~~~~~~~
      |       MADV_DONTNEED
mm/madvise.c:55:7: note: each undeclared identifier is reported only
once for each function it appears in
mm/madvise.c: In function 'madvise_dontneed_free_valid_vma':
mm/madvise.c:789:19: error: 'MADV_DONTNEED_LOCKED' undeclared (first
use in this function); did you mean 'MADV_DONTNEED'?
  789 |   if (behavior != MADV_DONTNEED_LOCKED)
      |                   ^~~~~~~~~~~~~~~~~~~~
      |                   MADV_DONTNEED
mm/madvise.c: In function 'madvise_dontneed_free':
mm/madvise.c:859:47: error: 'MADV_DONTNEED_LOCKED' undeclared (first
use in this function); did you mean 'MADV_DONTNEED'?
  859 |  if (behavior == MADV_DONTNEED || behavior == MADV_DONTNEED_LOCKED)
      |                                               ^~~~~~~~~~~~~~~~~~~~
      |                                               MADV_DONTNEED
mm/madvise.c: In function 'madvise_vma_behavior':
mm/madvise.c:998:7: error: 'MADV_DONTNEED_LOCKED' undeclared (first
use in this function); did you mean 'MADV_DONTNEED'?
  998 |  case MADV_DONTNEED_LOCKED:
      |       ^~~~~~~~~~~~~~~~~~~~
      |       MADV_DONTNEED
mm/madvise.c: In function 'madvise_behavior_valid':
mm/madvise.c:1129:7: error: 'MADV_DONTNEED_LOCKED' undeclared (first
use in this function); did you mean 'MADV_DONTNEED'?
 1129 |  case MADV_DONTNEED_LOCKED:
      |       ^~~~~~~~~~~~~~~~~~~~
      |       MADV_DONTNEED
mm/madvise.c: In function 'madvise_dontneed_free':
mm/madvise.c:865:1: error: control reaches end of non-void function
[-Werror=return-type]
  865 | }
      | ^
cc1: some warnings being treated as errors


Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

steps to reproduce:
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake

tuxmake --runtime podman --target-arch mips --toolchain gcc-10
--kconfig rt305x_defconfig


Build log [1].

--
Linaro LKFT
https://lkft.linaro.org

[1] https://builds.tuxbuild.com/2639g1Qugd13m3pgWwKp4I34Cb1/