parent_mem_cgroup(9)

👑 parent_mem_cgroup(9) 👑

okay so bestie, this one is straight out of the Kernel API Manual, and it's giving tiny parent-finding function energy ✨ no cap.

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💖 NAME 💖

parent_mem_cgroup — find the accounting parent of a memcg 🎀

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✨ SYNOPSIS ✨

struct mem_cgroup * parent_mem_cgroup (struct mem_cgroup *memcg );

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🫶 ARGUMENTS 🫶

• memcg — the memcg whose parent you're trying to find. that's the whole argument, bestie 💅

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🌸 DESCRIPTION 🌸

So basically: this returns the parent memcg 🫶 or NULL if this is the root. periodt. that's the vibe, and that's the whole lookup 💖

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🦋 SEE ALSO 🦋

the page points at the kernel file ./include/linux/memcontrol.h, and the SEE ALSO crew is:

• mem_cgroup_shrink_is_root(9)
• mem_cgroup_charge(9)
• mem_cgroup_uncharge(9)
• mem_cgroup_lruvec(9)
• folio_lruvec(9)

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mwah 💋 that's the page, bestie — source/version ./include/linux, dated October 2026 🌈⭐