swap(9)

💅 swap(9) — the Kernel API Manual glow-up 🫶

okay so bestie, welcome to the Kernel API Manual page for swap ✨ it's a tiny one, but it's lowkey iconic — a whole little function whose entire personality is "you give me two things, I flip them." no cap. 🦋

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🌸 NAME 🌸

swap — literally swaps the values of @a and @b. that's it. that's the whole gig. 💅

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✨ SYNOPSIS ✨

swap (a , b );

look at her. two args, zero drama. 🎀

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🧚 ARGUMENTS 🧚

• a — the first value 👑 like, the value that starts out on the left, living its best life
• b — the second value 🌈 the other one. after swap does her thing, they've traded places fr fr

ngl the whole point is that @a and @b end up holding each other's values — no extra steps, no notes. 💖

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🔥 SEE ALSO 🔥

the whole min/max friend group is here and they're all in ./include/linux/minmax.h — go say hi to the rest of the squad:

• min(9)
• max(9)
• umin(9)
• umax(9)
• min3(9)
• max3(9)
• min_t(9)
• max_t(9)
• min_not_zero(9)
• clamp(9)
• clamp_t(9)
• clamp_val(9)
• min_array(9)
• max_array(9)
• in_range(9)

literally the most supportive little header file in the kernel, iykyk 💀💜

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🎀 cute sign-off time: this page comes from ./include/linux, dated October 2026, and it's filed under swap(9) — and yes, that's the whole manual page, she's smol but she ate. periodt. 🍓✨