misc_cg_try_charge(9)

🌸 NAME 🌸

misc_cg_try_charge — bestie, this is the one that tries to charge the misc cgroup 💅

okay so real talk, the manual name is misc_cg_try_charge(9) and it lives in the Kernel API Manual — now let's get into it ✨

---

✨ SYNOPSIS ✨

int misc_cg_try_charge (enum misc_res_type type , struct misc_cg *cg ,
u64 amount );

that's the whole signature, no cap 🫶

---

🎀 ARGUMENTS 🎀

• type — the misc res type you're charging. like, which resource bucket are we talking about 💖
• cg — the misc cgroup that's gonna get charged. this is the one, the main character 👑
• amount — how much you're charging. the actual number 🍓

---

🦋 DESCRIPTION 🦋

So you charge amount to the misc cgroup. Simple, iconic, done.

but like — the caller must use the same cgroup during the uncharge call. fr fr. same cgroup, or it's giving chaos 😭 don't mix them up bestie.

---

🌈 CONTEXT 🌈

Any context. literally any. we don't gatekeep here 💜

---

⭐ RETURN ⭐

• 0 — if it successfully charged. slay, it worked ✨
• -EINVAL — if type is invalid or the misc res has 0 capacity. not it 💀
• -EBUSY — if the max limit will be crossed, or total usage will be more than the capacity. she's booked and busy, no room 🙈

---

💅 SEE ALSO 💅

Kernel file ./kernel/cgroup/misc.c and its whole friend group:

• parent_misc(9)
• valid_type(9)
• misc_cg_set_capacity(9)
• misc_cg_cancel_charge(9)
• misc_cg_uncharge(9)
• misc_cg_max_show(9)
• misc_cg_max_write(9)
• misc_cg_current_show(9)
• misc_cg_peak_show(9)
• misc_cg_capacity_show(9)
• misc_cg_alloc(9)
• misc_cg_free(9)

---

and that's the whole page, bestie 🧚💖 this came to you from ./kernel/cgroup, dated October 2026 — go forth and charge responsibly, iykyk 🎀🔥