css_put(9)

💅 css_put(9) — the Kernel API Manual page you didn't know you needed

okay so bestie, imagine you grabbed a reference to a css and now you need to hand it back. that's literally this whole page. it's giving release-the-grip energy, and honestly? iconic. ✨

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🌸 NAME 🌸

css_put — put a css reference 🎀

like, you had a reference, and now you're putting it. simple as that. no cap.

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✨ SYNOPSIS ✨

CGROUP_REF_FN_ATTRS void css_put (struct cgroup_subsys_state *css );

look at that signature. flawless. every character in place. we stan a consistent prototype. 💅

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🦋 ARGUMENTS 🦋

• css — target css 💖 — which is, like, the css you're targeting. that's the whole vibe.

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🔥 DESCRIPTION 🔥

so here's the tea, bestie: this function puts a reference that you obtained via css_get and css_tryget_online. 🫶

that's it. that's the plot. you got a reference from one of those two, and now css_put is the one that puts it back. main character energy — it's literally in the name. periodt. 👑

fr fr, the whole point is the pairing — css_get / css_tryget_online on the way in, css_put on the way out. don't leave a reference hanging, it's not cute. 😭

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🌈 SEE ALSO 🌈

• the kernel file: ./include/linux/cgroup_refcnt.h 📁
• css_get(9)
• css_get_many(9)
• css_tryget(9)
• css_tryget_online(9)
• css_put_many(9)

like, go read the whole friend group. they all hang out in the same header. iykyk. 🧚

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and that's the page!! tysm for reading bestie 💜 this little gem lives in ./include/linux and the manual is dated October 2026 — so go forth, put those references, and slay responsibly. 🍓🌸⭐