ring_buffer_free(9)

💖 ring_buffer_free(9) 💖

okay so bestie, welcome to the Kernel API Manual page for ring_buffer_free(9) — yes, the manual name is right there, we're being fancy. this is the one that frees a ring buffer. that's the whole assignment. iconic. 💅

✨ NAME ✨

ring_buffer_free — free a ring buffer. no cap, that's literally the name and the job. 🫶

🦋 SYNOPSIS 🦋

look at this lil signature, bestie:

void ring_buffer_free (struct trace_buffer *buffer );

🌸 ARGUMENTS 🌸

• buffer — the buffer to free. hand over that struct trace_buffer *, bestie, and let it go 💖

👑 SEE ALSO 👑

the whole squad is here, no skips, no cap — read 'em and weep (affectionately) 😭:

• Kernel file ./kernel/trace/ring_buffer.c — yep, that's the source file, periodt.
• ring_buffer_event_length(9)
• ring_buffer_event_data(9)
• rb_page_capacity(9)
• rb_subbuf_capacity(9)
• rb_subbuf_max_data_size(9)
• rb_subbuf_start(9)
• ring_buffer_event_time_stamp(9)
• ring_buffer_nr_dirty_pages(9)
• ring_buffer_wake_waiters(9)
• ring_buffer_wait(9)
• ring_buffer_poll_wait(9)
• rb_check_pages(9)
• rb_validate_buffer(9)
• __ring_buffer_alloc(9)
• __ring_buffer_alloc_range(9)
• __ring_buffer_alloc_remote(9)
• ring_buffer_resize(9)
• rb_update_event(9)
• ring_buffer_nest_start(9)
• ring_buffer_nest_end(9)
• ring_buffer_unlock_commit(9)
• ring_buffer_lock_reserve(9)
• ring_buffer_discard_commit(9)
• ring_buffer_write(9)
• ring_buffer_record_disable(9)
• ring_buffer_record_enable(9)
• ring_buffer_record_off(9)
• ring_buffer_record_on(9)
• ring_buffer_record_is_on(9)
• ring_buffer_record_is_set_on(9)
• ring_buffer_record_is_on_cpu(9)
• ring_buffer_record_disable_cpu(9)
• ring_buffer_record_enable_cpu(9)
• ring_buffer_oldest_event_ts(9)
• ring_buffer_bytes_cpu(9)
• ring_buffer_entries_cpu(9)
• ring_buffer_overrun_cpu(9)
• ring_buffer_commit_overrun_cpu(9)
• ring_buffer_dropped_events_cpu(9)
• ring_buffer_read_events_cpu(9)
• ring_buffer_entries(9)
• ring_buffer_overruns(9)
• ring_buffer_iter_reset(9)
• ring_buffer_iter_empty(9)
• ring_buffer_peek(9)
• ring_buffer_iter_peek(9)
• ring_buffer_consume(9)
• ring_buffer_read_start(9)
• ring_buffer_read_finish(9)
• ring_buffer_iter_advance(9)
• ring_buffer_size(9)
• ring_buffer_max_event_size(9)
• ring_buffer_reset_cpu(9)
• ring_buffer_reset_online_cpus(9)
• ring_buffer_reset(9)
• ring_buffer_empty(9)
• ring_buffer_empty_cpu(9)
• ring_buffer_swap_cpu(9)
• ring_buffer_alloc_read_page(9)
• ring_buffer_free_read_page(9)
• ring_buffer_read_page(9)
• ring_buffer_read_page_data(9)
• ring_buffer_read_page_size(9)
• ring_buffer_subbuf_size_get(9)
• ring_buffer_subbuf_order_get(9)
• ring_buffer_subbuf_order_set(9)

signed off from ./kernel/trace — October 2026 edition, xoxo the Kernel API Manual 💖✨