s390 build failed on Linux next 20210125 due to below error and suspected patch.

make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=s390 CROSS_COMPILE=s390x-linux-gnu- 'CC=sccache s390x-linux-gnu-gcc' 'HOSTCC=sccache gcc' arch/s390/kernel/syscall.c: In function '__do_syscall': arch/s390/kernel/syscall.c:165:3: error: implicit declaration of function 'sched_resched_local_allow' [-Werror=implicit-function-declaration] 165 | sched_resched_local_allow(); | ^~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors

Reported-by: Naresh Kamboju naresh.kamboju@linaro.org

Link to suspected patch, https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/a...