softleaf_from_pmd(9)

✨ softleaf_from_pmd(9) ✨

okay so welcome to the Kernel API Manual, bestie — this is the page for softleaf_from_pmd(9), and it's literally about obtaining a leaf entry from a PMD entry. 🫶

🌸 NAME 🌸

softleaf_from_pmd — obtain a leaf entry from a PMD entry. that's the whole name-vibe. 💅

🎀 SYNOPSIS 🎀

softleaf_t softleaf_from_pmd (pmd_t pmd );

🦋 ARGUMENTS 🦋

• pmd — a PMD entry. yes queen, that's the arg. ✨

💖 DESCRIPTION 💖

okay so here's the tea: if pmd is present (therefore not a leaf entry), the function returns an empty leaf entry. otherwise, it returns a leaf entry. no cap — that's the entire behavior. 😭

🔥 RETURN 🔥

a leaf entry. periodt. 💅

🌈 SEE ALSO 🌈

the kernel file is ./include/linux/leafops.h, and here's the whole squad:

• softleaf_mk_none(9)
• softleaf_from_pte(9)
• softleaf_to_pte(9)
• softleaf_to_pmd(9)
• softleaf_is_none(9)
• softleaf_type(9)
• softleaf_is_swap(9)
• softleaf_is_migration_write(9)
• softleaf_is_migration_read(9)
• softleaf_is_migration_read_exclusive(9)
• softleaf_is_migration(9)
• softleaf_is_device_private_write(9)
• softleaf_is_device_private(9)
• softleaf_is_device_exclusive(9)
• softleaf_is_hwpoison(9)
• softleaf_is_marker(9)
• softleaf_to_marker(9)
• softleaf_has_pfn(9)
• softleaf_to_pfn(9)
• softleaf_to_page(9)
• softleaf_to_folio(9)
• softleaf_is_poison_marker(9)
• softleaf_is_guard_marker(9)
• softleaf_is_uffd_wp_marker(9)
• softleaf_is_migration_young(9)
• softleaf_is_migration_dirty(9)
• pte_is_marker(9)
• pte_is_uffd_wp_marker(9)
• pte_is_uffd_marker(9)
• pmd_is_device_private_entry(9)
• pmd_is_migration_entry(9)
• softleaf_is_valid_pmd_entry(9)
• pmd_is_valid_softleaf(9)
• pmd_to_softleaf_folio(9)

xoxo, your Unix bestie 💖 — signed off from ./include/linux in October 2026, all about softleaf_from_pmd(9) 🎀