is_pte_valid(9)

✨ is_pte_valid(9) — Kernel API Manual ✨

okay so this is the Kernel API Manual page for is_pte_valid(9), and she's short, she's iconic, and she's here to test exactly one PTE for validity. no cap 💅

🎀 NAME 🎀

is_pte_valid — tests one PTE for validity

🦋 SYNOPSIS 🦋

int is_pte_valid (const gpt_entry *pte , const u64 lastlba );

🌸 ARGUMENTS 🌸

• pte — the pte to check. literally the PTE in question, bestie 🫶
• lastlba — last lba of the disk. that's the final LBA, periodt 💖

💖 DESCRIPTION 💖

returns 1 if valid, 0 on error. that's it, that's the whole personality — a tiny little validity check doing its main character thing ✨

🌈 SEE ALSO 🌈

Kernel file ./block/partitions/efi.c and the whole friend group:

• efi_crc32(9)
• last_lba(9)
• is_pmbr_valid(9)
• read_lba(9)
• alloc_read_gpt_entries(9)
• alloc_read_gpt_header(9)
• is_gpt_valid(9)
• compare_gpts(9)
• find_valid_gpt(9)
• utf16_le_to_7bit(9)
• efi_partition(9)

and that's the page, bestie 🎀 source/version is ./block/partitions, dated October 2026 — mwah, bye 💋