scx_cmask_clear(9)

scx_cmask_clear(9) — Kernel API Manual 🎀

okay bestie, welcome to the Kernel API Manual page for scx_cmask_clear(9). It’s giving “tiny function, very specific job,” and honestly? Iconic.

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✨ NAME ✨

scx_cmask_clear — zero every bit in @m's active range.

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🦋 SYNOPSIS 🦋

void scx_cmask_clear (struct scx_cmask *m );

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🫶 ARGUMENTS 🫶

• m — the cmask to clear. That’s the one, bestie.

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💅 DESCRIPTION 💅

Zeroes every bit in @m's active range. Storage past the active range is left as is — untouched, not cleared, just chilling exactly where it is. No cap.

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👑 SEE ALSO 👑

The kernel file in the mix is ./kernel/sched/ext/cid.c. And here’s the whole SEE ALSO squad, fr fr:

• scx_cid_publish_tables(9)
• scx_cid_retire_tables(9)
• scx_cid_init(9)
• scx_cmask_fill(9)
• scx_bpf_cid_override(9)
• scx_bpf_cid_to_cpu(9)
• scx_bpf_cpu_to_cid(9)
• scx_cmask_subset(9)
• scx_cmask_empty(9)
• scx_bpf_cid_topo(9)
• scx_cmask_ref_init(9)
• scx_cmask_ref_init_kern(9)
• scx_cmask_ref_shard(9)
• scx_cmask_ref_or(9)
• scx_cmask_ref_copy(9)
• scx_cmask_ref_from_cpumask(9)

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source/version: ./kernel/sched/ext · date: October 2026 · page: scx_cmask_clear(9) — bye bestie, go slay those cmasks 💖💅