umax(9)

💖 umax(9) — the Kernel API Manual, bestie edition 💖

okay so real talk, this page lives in the Kernel API Manual, and today's main character is umax. no cap, it's giving tiny-but-mighty. ✨

---

🌸 NAME 🌸

umax — return maximum of two non-negative values

like, it looks at two non-negative numbers and hands you back the bigger one. that's it. that's the whole job. and honestly? she ate. 💅

---

🦋 SYNOPSIS 🦋

umax (x , y );

yes the spacing is exactly like that, don't come for her, she's an icon. 🎀

---

🍓 ARGUMENTS 🍓

• x — first value 👑
• y — second value 🌈

two values walk in, one value leaves. vibe check complete. 💀

---

🔥 SEE ALSO 🔥

Kernel file ./include/linux/minmax.h is the whole friend group, and honestly the group chat is popping off:

• min(9)
• max(9)
• umin(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)
• swap(9)

literally the entire minmax family reunion, iykyk 🧚💜

---

bestie reminder: umax is for non-negative values, that's her whole brand, don't make it weird 🙈

---

kisses, this page came to you from ./include/linux, dated October 2026, and it's filed under umax(9) — mwah, goodnight, slay, periodt 💖🎀🫶