cmask_init(9)

🌸 NAME 🌸

okay so this is cmask_init(9), straight out of the Kernel API Manual — and bestie, it's literally here to initialize @m on tight storage. That's the whole gig. 💅

✨ SYNOPSIS ✨

void cmask_init (struct scx_cmask __arena *m , u32 base , u32 nr_cids );

🎀 ARGUMENTS 🎀

• m — the cmask you're initializing, bestie. That's the one.
• base — the first cid of the active range. First one in, no cap.
• nr_cids — how many cids are in the active range. The count, periodt.

🦋 DESCRIPTION 🦋

All of bits[] is zeroed.

That's it. That's the description. The entire bits[] situation gets zeroed out, iconic behavior honestly. ✨

🌈 SEE ALSO 🌈

• Kernel file ./tools/sched_ext/include/scx/cid.bpf.h: __cmask_init(9), cmask_reframe(9), cmask_next_set(9), cmask_from_cpumask(9)

💜 that's the whole page, bestie — sourced from ./tools/sched_ext/include/scx, dated October 2026. stay slay, and may your masks be zeroed. 🫶