kfifo_recsize(9)

okay so bestie, welcome to the kfifo_recsize moment from the Kernel API Manual ✨ it’s giving “tiny function, very specific job,” and we’re obsessed 💅

🌸 NAME 🌸

kfifo_recsize — returns the size of the record length field 🎀

✨ SYNOPSIS ✨

ikyk, here’s the whole call, character for character:

kfifo_recsize (fifo );

🎀 ARGUMENTS 🎀

• fifo — address of the fifo to be used 🫶 like, hand over the address of the fifo to be used and that’s the vibe.

🦋 SEE ALSO 🦋

Kernel file ./include/linux/kfifo.h is the whole friend group, and these are the linked besties — all of them, no skips, fr fr:

• DECLARE_KFIFO_PTR(9)
• DECLARE_KFIFO(9)
• INIT_KFIFO(9)
• DEFINE_KFIFO(9)
• kfifo_initialized(9)
• kfifo_esize(9)
• kfifo_size(9)
• kfifo_reset(9)
• kfifo_reset_out(9)
• kfifo_len(9)
• kfifo_is_empty(9)
• kfifo_is_empty_spinlocked(9)
• kfifo_is_empty_spinlocked_noirqsave(9)
• kfifo_is_full(9)
• kfifo_avail(9)
• kfifo_skip_count(9)
• kfifo_skip(9)
• kfifo_peek_len(9)
• kfifo_alloc(9)
• kfifo_alloc_node(9)
• kfifo_free(9)
• kfifo_init(9)
• kfifo_put(9)
• kfifo_get(9)
• kfifo_peek(9)
• kfifo_in(9)
• kfifo_in_spinlocked(9)
• kfifo_in_spinlocked_noirqsave(9)
• kfifo_out(9)
• kfifo_out_spinlocked(9)
• kfifo_out_spinlocked_noirqsave(9)
• kfifo_from_user(9)
• kfifo_to_user(9)
• kfifo_dma_in_prepare_mapped(9)
• kfifo_dma_in_finish(9)
• kfifo_dma_out_prepare_mapped(9)
• kfifo_dma_out_finish(9)
• kfifo_out_peek(9)
• kfifo_out_linear(9)
• kfifo_out_linear_ptr(9)

and that’s the whole page, bestie 💖 it lives in ./include/linux and it’s dated October 2026 — mwah 💋✨