preempt_enable_nested(9)

🌸 preempt_enable_nested(9) 🌸

okay so bestie, welcome to the Kernel API Manual — yes we're literally in the kernel docs rn, put your hair up, we're doing real work 💅

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✨ NAME ✨

preempt_enable_nested — the function that undoes the effect of preempt_disable_nested(). it's giving "you took it off the shelf, now put it back" 🎀

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🦋 SYNOPSIS 🦋

void preempt_enable_nested (void );

no cap, that's the whole signature. tiny but iconic 👑

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💖 ARGUMENTS 💖

• void — literally no arguments. zero. nada. she takes nothing and she gives nothing back (well, she returns void too, but you get the vibe) 🙈

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🌈 SEE ALSO 🌈

• the kernel file ./include/linux/preempt.h — that's where she lives, that's her home 🏠
• interrupt_context_level(9) — the related read, go check it out 🧚
• preempt_disable_nested(9) — her other half, the one who does the thing she un-does. they're a matched set fr fr 💜

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lowkey a reminder bestie: this is the undo button. if you didn't call preempt_disable_nested() first, maybe have a little think before you go slapping this down. the panic isn't a personality trait 😭

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that's the whole page, she's short and she ate 💅✨

signing off from the ./include/linux directory, dated October 2026 — see you in the next one, bestie 🫶💖