[SOLVED] What is the default scheduling policy of a Linux kernel thread?

Issue

What is the default scheduling policy of a Linux kernel thread? Are all the policies like SCHED_NORMAL, SCHED_RR, SCHED_FIFO applicable for the kernel threads as well?

Solution

kthread sets default policy to SCHED_NORMAL. See https://elixir.bootlin.com/linux/v5.18/source/kernel/kthread.c#L357 All task structs have a policy field, including kthreads.

Answered By - stark

Answer Checked By - Robin (WPSolving Admin)