is_idle_task(9)

💖 is_idle_task(9) 💖

okay bestie, welcome to the Kernel API Manual, this one's a lil function called is_idle_task and honestly? it's giving "one job, does it slay" ✨

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✨ NAME ✨

is_idle_task — is the specified task an idle task? like, that's literally the whole question 🫶

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🦋 SYNOPSIS 🦋

bool is_idle_task (const struct task_struct *p );

yeah that's it. tiny. iconic. no cap 🔥

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🎀 ARGUMENTS 🎀

• p — the task in question 💅 like, the specific const struct task_struct * you're side-eyeing and going "girl... are you an idle task or not"

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🌈 RETURN 🌈

• 1 if p is an idle task 👑
• 0 otherwise 🙈

that's the vibe check, that's the whole answer, periodt.

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🌸 SEE ALSO 🌸

go look at the kernel file ./include/linux/sched.h and these cuties too:

• struct prev_cputime(9)
• __task_lazy_mmu_mode_active(9)
• is_lazy_mmu_mode_active(9)
• set_cpus_allowed_ptr(9)
• task_nice(9)

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and that's the page, bestie!! 💜 this one came from ./include/linux and it's dated October 2026 — mwah, love u, go read ur kernel headers 🧚‍♀️🎀🦋