Regression found on arm gcc-11 built with tinyconfig Following build warnings / errors reported on linux next 20211022.

metadata: git_describe: next-20211022 git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git_short_log: cf6c9d12750c ("Add linux-next specific files for 20211022") target_arch: arm toolchain: gcc-11

build error : -------------- kernel/sched/core.c: In function 'sched_submit_work': kernel/sched/core.c:6299:35: error: 'struct task_struct' has no member named 'plug' 6299 | blk_flush_plug(tsk->plug, true); | ^~ kernel/sched/core.c: In function 'io_schedule_prepare': kernel/sched/core.c:8331:20: error: 'struct task_struct' has no member named 'plug' 8331 | if (current->plug) | ^~

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

build link: ----------- https://builds.tuxbuild.com/1zrAO09dMNS9qQgDFaILyvKNS3A/build.log

build config: ------------- https://builds.tuxbuild.com/1zrAO09dMNS9qQgDFaILyvKNS3A/config

# To install tuxmake on your system globally # sudo pip3 install -U tuxmake tuxmake --runtime podman --target-arch arm --toolchain gcc-11 --kconfig tinyconfig

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