FIELD_FIT(9)

✨ NAME ✨

okay so bestie, this is FIELD_FIT(9) from the Kernel API Manual, and its whole thing is: check if value fits in the field. that's the name, no cap 💅

🌸 SYNOPSIS 🌸

FIELD_FIT (_mask , _val );

🎀 ARGUMENTS 🎀

• _mask — the shifted mask defining the field's length and position. it's literally giving the field's layout, periodt ✨
• _val — the value to test against the field. this is the little guy we're checking on 🫶

💖 RETURN 💖

• true if _val can fit inside _mask — slay, it fits 👑
• false if _val is too big — oop, too big for the field, bestie 💀

🦋 SEE ALSO 🦋

• Kernel file ./tools/include/linux/bitfield.h
• FIELD_MAX(9)
• FIELD_PREP(9)
• FIELD_GET(9)

mwah 💋 this page comes from ./tools/include/linux, dated October 2026, and it's literally FIELD_FIT(9). byeee 💜