pidfs_register_pid_gfp(9)

pidfs_register_pid_gfp 💅

okay so bestie, this is the Kernel API Manual page for pidfs_register_pid_gfp — tiny page, but it's got main-character kernel energy ✨

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NAME 🎀

pidfs_register_pid_gfp — register a struct pid in pidfs with custom GFP flags 💅

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SYNOPSIS ✨

the whole signature, no cap:

int pidfs_register_pid_gfp (struct pid *pid , gfp_t gfp );

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ARGUMENTS 🌸

two little cuties walk into the function:

• pid — pid to pin 🫶
• gfp — GFP flags for memory allocation ✨

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DESCRIPTION 💖

Register a struct pid in pidfs with custom GFP flags.

literally that: you're registering the struct pid in pidfs, and you're bringing your own GFP flags to the memory-allocation vibe check 🦋

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RETURN 👑

On success zero, on error a negative error code is returned.

so: success = 0 ✨, error = negative error code 😭 — periodt.

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SEE ALSO 🌈

• Kernel file ./fs/pidfs.c 📁
• pidfd_show_fdinfo(9) 🫶

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xoxo, your kernel bestie 💖 — source/version: ./fs · date: October 2026 · page: pidfs_register_pid_gfp(9) 🎀