msgb_bytes_used(9)

👑 msgb_bytes_used(9) 👑

okay so welcome to the Kernel API Manual, bestie — the main character here is msgb_bytes_used(9), and it’s giving tiny but essential. ✨

💖 NAME 💖

msgb_bytes_used — returns the current number of bytes used in the buffer. no cap. 🫶

✨ SYNOPSIS ✨

size_t msgb_bytes_used (const struct msgbuf *msgb );

🎀 ARGUMENTS 🎀

• msgb — the message buffer. that’s literally the whole argument, bestie 💅

🌈 SEE ALSO 🌈

Kernel file: ./drivers/platform/surface/aggregator/ssh_msgb.h.

Go read these too, iykyk:

• struct msgbuf(9)
• msgb_init(9)
• msgb_push_u16(9)
• msgb_push_syn(9)
• msgb_push_buf(9)
• msgb_push_crc(9)
• msgb_push_frame(9)
• msgb_push_ack(9)
• msgb_push_nak(9)
• msgb_push_cmd(9)

🌸 that’s the page, bestie. source/version: ./drivers/platform/surface/agg... • date: October 2026 🎀