kernel/sched/fair.c:1524:20: warning: ‘test_idle_cores’ declared ‘static’ but never defined

Linux next-20200303 arm64 build warnings Please refer below links for more information.

make -sk KBUILD_BUILD_USER=TuxBuild -C/linux -j16 ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- HOSTCC=gcc CC="sccache aarch64-linux-gnu-gcc" O=build Image

../kernel/sched/fair.c:1524:20: warning: ‘test_idle_cores’ declared ‘static’ but never defined [-Wunused-function] 1524 | static inline bool test_idle_cores(int cpu, bool def); | ^~~~~~~~~~~~~~~

ref: https://gitlab.com/Linaro/lkft/kernel-runs/-/jobs/457079061 http://builds.tuxbuild.com/fBmL_h3chXb8rMVt7r0aFg/build.log http://builds.tuxbuild.com/fBmL_h3chXb8rMVt7r0aFg/kernel.config http://builds.tuxbuild.com/fBmL_h3chXb8rMVt7r0aFg/bmeta.json