[next] mm/nommu.c:1671:6: error: conflicting types for 'filemap_map_pages'

[Naresh Kamboju]

arm, sh and riscv architecture build failed on today's Linux next tag 20210128.

FYI,
# CONFIG_MMU is not set on these failed configs.
config file attached to this email.

make --silent --keep-going --jobs=8 O=/home/tux  -
build/.cache/tuxmake/builds/1/tmp ARCH=arm
CROSS_COMPILE=arm-linux-gnueabihf- 'CC=sccache
arm-linux-gnueabihf-gcc' 'HOSTCC=sccache gcc'
mm/nommu.c:1671:6: error: conflicting types for 'filemap_map_pages'
 1671 | void filemap_map_pages(struct vm_fault *vmf,
      |      ^~~~~~~~~~~~~~~~~
In file included from mm/nommu.c:20:
include/linux/mm.h:2578:19: note: previous declaration of
'filemap_map_pages' was here
 2578 | extern vm_fault_t filemap_map_pages(struct vm_fault *vmf,
      |                   ^~~~~~~~~~~~~~~~~

Reported-by: Naresh Kamboju <naresh.kamboju at linaro.org>

steps to reproduce:
# TuxMake is a command line tool and Python library that provides
# portable and repeatable Linux kernel builds across a variety of
# architectures, toolchains, kernel configurations, and make targets.
#
# TuxMake supports the concept of runtimes.
# See https://docs.tuxmake.org/runtimes/, for that to work it requires
# that you install podman or docker on your system.
#
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake
#
# See https://docs.tuxmake.org/ for complete documentation.


tuxmake --runtime podman --target-arch arm --toolchain gcc-10
--kconfig tinyconfig


Following builds failed on Linux next 20210128 tag.
Regressions found on sh:
  - build/gcc-9-tinyconfig
  - build/gcc-8-allnoconfig
  - build/gcc-9-allnoconfig
  - build/gcc-8-tinyconfig
  - build/gcc-10-tinyconfig
  - build/gcc-10-allnoconfig

Regressions found on riscv:
  - build/gcc-9-tinyconfig
  - build/gcc-8-allnoconfig
  - build/clang-11-tinyconfig
  - build/gcc-9-allnoconfig
  - build/gcc-8-tinyconfig
  - build/clang-11-allnoconfig
  - build/gcc-10-tinyconfig
  - build/clang-10-allnoconfig
  - build/gcc-10-allnoconfig
  - build/clang-10-tinyconfig

Regressions found on arm:
  - build/gcc-9-tinyconfig
  - build/gcc-8-allnoconfig
  - build/clang-11-tinyconfig
  - build/gcc-9-allnoconfig
  - build/gcc-8-tinyconfig
  - build/clang-11-allnoconfig
  - build/gcc-10-tinyconfig
  - build/clang-10-allnoconfig
  - build/gcc-10-allnoconfig
  - build/clang-10-tinyconfig

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