find_css_set(9)

📦 version 7.3.1, in nixpkgs unstable

✨ find_css_set — the "give me a fresh css_set but swap one cgroup" moment ✨

okay so this is a page from the Kernel API Manual (yes, the (9) section, kernel internals bestie 💅) and honestly it's short but it matters, so let's go 🫶

🌸 NAME 🌸

find_css_set — returns you a brand-new css_set with exactly one cgroup updated

🎀 SYNOPSIS 🎀

struct css_set * find_css_set (struct css_set *old_cset , struct cgroup *cgrp );

💖 ARGUMENTS 💖

  • old_cset — the baseline css_set, aka the one you're copying the vibe of 👑
  • cgrp — the cgroup that's getting updated in the new one

🦋 DESCRIPTION 🦋

So what it does is: it hands back a new css_set that is equivalent to old_cset, except cgrp has been substituted into the appropriate hierarchy. That's it. That's the whole thing. no cap ✨

Like, same energy as the old one, but with that one cgroup swapped in where it belongs 🧚

⭐ SEE ALSO ⭐

Kernel file ./kernel/cgroup/cgroup.c, plus literally the entire cgroup extended family, bestie — here's the whole group chat 💀

and that's the whole page, bestie, short and slay 🎀 this one's living in ./kernel/cgroup and it's dated October 2026, filed under find_css_set(9) — go forth and swap those cgroups 💜✨

📦 where this page comes from