update_note...r_size_elf64(9)

✨ update_note_header_size_elf64(9) ✨

okay so bestie, this one's straight outta the Kernel API Manual, and the function name is a whole mouthful but she ate 💅👑

🌸 NAME 🌸

update_note_header_size_elf64 — update p_memsz member of each PT_NOTE entry 🫶

🎀 SYNOPSIS 🎀

int update_note_header_size_elf64 (const Elf64_Ehdr *ehdr_ptr );

🦋 ARGUMENTS 🦋

• ehdr_ptr — the ELF header, periodt ✨

💜 DESCRIPTION 💜

So basically, this function updates the p_memsz member of each PT_NOTE entry in the program header table that ehdr_ptr points to, setting it to the real size of the ELF note segment. that's the vibe 💅 no cap.

lowkey important: it's p_memsz getting updated, and it's for each PT_NOTE entry in that program header table — not just one random little entry 🎯

🌈 SEE ALSO 🌈

• Kernel file ./fs/proc/vmcore.c — yes bestie, the whole file is listed here 💖
• vmcore_alloc_buf(9)
• get_note_number_and_size_elf64(9)
• copy_notes_elf64(9)
• update_note_header_size_elf32(9)
• get_note_number_and_size_elf32(9)
• copy_notes_elf32(9)
• vmcoredd_write_header(9)
• vmcoredd_update_program_headers(9)
• vmcoredd_update_size(9)
• vmcore_add_device_dump(9)

mwah 💋 this lil page lives under ./fs/proc and is dated October 2026 — catch u next time, bestie 🫶✨