kthread_stop_put(9)

💅 kthread_stop_put(9) 💅

okay bestie, welcome to the Kernel API Manual, section 9, where we talk about kthread_stop_put. this one's a little two-for-one deal and honestly? kind of iconic of it.

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✨ NAME ✨

kthread_stop_put — stop a thread and put its task struct. two jobs, one function, main character energy fr fr.

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🎀 SYNOPSIS 🎀

int kthread_stop_put (struct task_struct *k );

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🦋 ARGUMENTS 🦋

• k — a thread created by kthread_create. that's the one we're stopping, bestie. it has to be that kind of thread, no substitutions 🫶

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🌸 DESCRIPTION 🌸

so what this does is: it stops a thread created by kthread_create, and then it puts its task_struct. stop + put, like the name literally says. the way that the function name is just the description 😭 slay.

⚠️ but listen — only use this when you're holding an extra task struct reference that you got by calling get_task_struct. it says "only," and it means only. no cap. if you didn't get that reference, this is not your function, bestie, put it down 🙈

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💜 SEE ALSO 💜

Kernel file ./kernel/kthread.c — the whole friend group lives there 🧚

• kthread_should_stop(9)
• kthread_should_park(9)
• kthread_freezable_should_stop(9)
• kthread_func(9)
• kthread_data(9)
• kthread_probe_data(9)
• kthread_complete_and_exit(9)
• kthread_create_on_node(9)
• kthread_bind(9)
• kthread_create_on_cpu(9)
• kthread_unpark(9)
• kthread_park(9)
• kthread_stop(9)
• kthread_affine_preferred(9)
• kthreads_update_housekeeping(9)
• kthread_worker_fn(9)
• kthread_create_worker_on_node(9)
• kthread_create_worker_on_cpu(9)
• kthread_queue_work(9)
• kthread_delayed_work_timer_fn(9)
• kthread_queue_delayed_work(9)
• kthread_flush_work(9)
• kthread_mod_delayed_work(9)
• kthread_cancel_work_sync(9)
• kthread_cancel_delayed_work_sync(9)
• kthread_flush_worker(9)
• kthread_destroy_worker(9)
• kthread_use_mm(9)
• kthread_unuse_mm(9)
• kthread_associate_blkcg(9)
• kthread_blkcg(9)

like, the entire kthread family reunion is right there 👑 go say hi.

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⭐ the sign-off ⭐

this whole page comes from ./kernel, dated October 2026, and it's kthread_stop_put(9) — that's the version tag, bestie, we're not making it up 💖

anyway. get that get_task_struct reference first, then come back. mwah! 💅✨🎀