for_each_online_pgdat(9)

✨ for_each_online_pgdat(9) ✨

okay bestie, welcome to the Kernel API Manual page for for_each_online_pgdat 💖 This is the helper macro that lets you iterate over all online nodes — and that's literally the whole NAME vibe, no cap.

🌸 NAME 🌸

for_each_online_pgdat — helper macro to iterate over all online nodes.

📜 SYNOPSIS 📜

for_each_online_pgdat (pgdat );

🎀 ARGUMENTS 🎀

• pgdat — pointer to a pg_data_t variable. That's the one and only thing you pass in, bestie 🫶

👀 SEE ALSO 👀

Kernel file ./include/linux/mmzone.h, plus these manual pages:

• is_highmem(9)
• for_each_zone(9)
• next_zones_zonelist(9)
• first_zones_zonelist(9)
• for_each_zone_zonelist_nodemask(9)
• for_each_zone_zonelist(9)
• pfn_valid(9)

Signing off from ./include/linux — source/version ./include/linux, dated October 2026, on the for_each_online_pgdat(9) manual page 💜✨