clear_bit_unlock(9)

💅 clear_bit_unlock(9) 💅

Kernel API Manual ✨

🌸 NAME 🌸

clear_bit_unlock — clears a bit in memory, for unlock. that's the assignment bestie 💖

✨ SYNOPSIS ✨

void clear_bit_unlock (long nr , volatile unsigned long *addr );

🎀 ARGUMENTS 🎀

• nr — the bit to set. yes, that's what the page says, no cap 🫶
• addr — the address to start counting from.

💖 DESCRIPTION 💖

okay so here's the vibe check: this operation is atomic and provides release barrier semantics. that's literally it, and that's iconic. ✨

🦋 SEE ALSO 🦋

• Kernel file ./include/asm-generic/bitops/instrumented-lock.h
• __clear_bit_unlock(9)
• test_and_set_bit_lock(9)
• xor_unlock_is_negative_byte(9)

mwah 💋 this cutie came from the source/version ./include/asm-generic/bitops, dated October 2026. clear_bit_unlock(9) signing off 🫶👑