The following build regression noticed while building Linux next 20220209
arm/riscv/sh of allnoconfig and tinyconfig builds failed with gcc-10,
gcc-11 and clang-13.
clang: warning: argument unused during compilation: '-march=armv7-m'
[-Wunused-command-line-argument]
mm/swap.c:637:2: error: implicit declaration of function
'mlock_page_drain' [-Werror,-Wimplicit-function-declaration]
mlock_page_drain(cpu);
^
1 error generated.
make[2]: *** [scripts/Makefile.build:289: mm/swap.o] Error 1
Reported-by: Linux Kernel Functional Testing <lkft(a)linaro.org>
--
Linaro LKFT
https://lkft.linaro.org