pt_can_have_leaf(9)

🌸 NAME 🌸

okay bestie, welcome to pt_can_have_leaf(9) from the Kernel API Manual. This is the function that is true if the current level can have an OA entry. That’s the whole name-check vibe. 💖

✨ SYNOPSIS ✨

bool pt_can_have_leaf (const struct pt_state *pts );

🎀 ARGUMENTS 🎀

• pts — the current level. That’s it, that’s the argument. 🫶

💅 DESCRIPTION 💅

okay so this one is literally the green-light check: it’s true if the current level can support pt_install_leaf_entry. A leaf entry produce an OA. No cap, that’s the tea. ✨

🦋 SEE ALSO 🦋

Kernel file ./drivers/iommu/generic_pt/pt_common.h — the home base. 🏠

Then the function besties, all of them, in order:

• pt_attr_from_entry(9), pt_can_have_table(9), pt_clear_entries(9),
• pt_entry_make_write_dirty(9), pt_entry_make_write_clean(9),
• pt_entry_is_write_dirty(9), pt_dirty_supported(9),
• pt_entry_num_contig_lg2(9), pt_entry_oa(9), pt_entry_oa_lg2sz(9),
• pt_entry_oa_exact(9), pt_full_va_prefix(9), pt_has_system_page_size(9),
• pt_install_leaf_entry(9), pt_install_table(9), pt_item_oa(9),
• pt_load_entry_raw(9), pt_max_oa_lg2(9), pt_num_items_lg2(9),
• pt_pgsz_lg2_to_level(9), pt_possible_sizes(9), pt_table_item_lg2sz(9),
• pt_table_oa_lg2sz(9), pt_table_pa(9), pt_table_ptr(9), pt_max_sw_bit(9),
• pt_test_sw_bit_acquire(9), pt_set_sw_bit_release(9), pt_load_entry(9)

source/version and date, cutely: ./drivers/iommu/generic_pt · October 2026 · pt_can_have_leaf(9) — byeee, bestie, go have an OA-entry kind of day 💜🦋✨