relay_file_mmap_prepare(9)

relay_file_mmap_prepare(9) 🦋

okay bestie, welcome to the Kernel API Manual corner of the group chat 💖 this one is short and sweet, and yes, it's giving "tiny function, important job" energy.

✨ NAME ✨

relay_file_mmap_prepare — mmap file op for relay files

🌸 SYNOPSIS 🌸

int relay_file_mmap_prepare (struct vm_area_desc *desc );

🎀 ARGUMENTS 🎀

• desc — describing what to map

💅 DESCRIPTION 💅

Okay so here's the tea: this calls upon relay_mmap_prepare_buf to map the file into user space. That's literally the whole plot, no cap 🫶

🔥 SEE ALSO 🔥

• Kernel file ./kernel/relay.c
• relay_mmap_prepare_buf(9)
• relay_alloc_buf(9)
• relay_create_buf(9)
• relay_destroy_channel(9)
• relay_destroy_buf(9)
• relay_remove_buf(9)
• relay_buf_empty(9)
• relay_buf_full(9)
• wakeup_readers(9)
• __relay_reset(9)
• relay_reset(9)
• relay_close_buf(9)
• relay_open(9)
• relay_switch_subbuf(9)
• relay_subbufs_consumed(9)
• relay_close(9)
• relay_flush(9)
• relay_stats(9)
• relay_file_open(9)
• relay_file_poll(9)
• relay_file_release(9)
• relay_file_read_subbuf_avail(9)
• relay_file_read_start_pos(9)
• relay_file_read_end_pos(9)

and that's the whole page, bestie ✨ cute little sign-off time: source/version is ./kernel, date is October 2026, and the star of the show is relay_file_mmap_prepare(9) 💜 periodt.