bpf_put_mem_cgroup(9)

✨ NAME ✨

okay so bestie, welcome to bpf_put_mem_cgroup(9) from the Kernel API Manual — this one is all about putting a reference to a memory cgroup. Put, as in release it. Cleanup era. 💅

✨ SYNOPSIS ✨

__bpf_kfunc void bpf_put_mem_cgroup (struct mem_cgroup *memcg );

🎀 ARGUMENTS 🎀

• memcg — the memory cgroup you're releasing, bestie. Let it gooo. 🦋

💖 DESCRIPTION 💖

So this function releases a previously acquired memcg reference. Implements KF_RELEASE semantics. That's the whole vibe — it's giving reference cleanup, main character energy, and honestly? Iconic. ✨

no cap, this is the release-side bestie: previously acquired reference goes bye. 🫶

🌈 SEE ALSO 🌈

• Kernel file ./mm/bpf_memcontrol.c
• bpf_get_root_mem_cgroup(9)
• bpf_get_mem_cgroup(9)
• bpf_mem_cgroup_vm_events(9)
• bpf_mem_cgroup_usage(9)
• bpf_mem_cgroup_memory_events(9)
• bpf_mem_cgroup_page_state(9)
• bpf_mem_cgroup_flush_stats(9)

that's the page, bestie 🎀 — source/version ./mm, dated October 2026. go forth and release that reference responsibly 💜👑