STRUCT IO_PGTABLE_INIT_FNS(9)

🌈 struct io_pgtable_init_fns(9) 🌈

hii bestie 💖 welcome to the Kernel API Manual — this page is literally all about struct io_pgtable_init_fns, and it’s giving “Alloc/free a set of page tables for a particular format.” slay.

🌸 NAME 🌸

struct io_pgtable_init_fns — Alloc/free a set of page tables for a particular format. periodt.

✨ SYNOPSIS ✨

struct io_pgtable_init_fns {
    struct io_pgtable *(*alloc)(struct io_pgtable_cfg *cfg, void
*cookie);
    void (*free)(struct io_pgtable *iop);
    u32 caps;
 };

💅 Members 💅

• alloc — Allocate a set of page tables described by cfg. 💖
• free — Free the page tables associated with iop. 🫶
• caps — Combination of io_pgtable_caps flags encoding the backend capabilities. 🔥

🔎 SEE ALSO 🔎

Kernel file ./include/linux/io-pgtable.h — yes bestie, that’s the file. And then the whole SEE ALSO squad:

• struct iommu_flush_ops(9)
• struct io_pgtable_cfg(9)
• struct arm_lpae_io_pgtable_walk_data(9)
• struct io_pgtable_ops(9)
• alloc_io_pgtable_ops(9)
• free_io_pgtable_ops(9)
• struct io_pgtable(9)
• enum io_pgtable_caps(9)

xoxo bestie 💖 — this page comes from ./include/linux, dated October 2026, and it’s all about struct io_pgtable_init_fns(9) 🎀