mem_cgroup_p..._oom_context(9)

💖 mem_cgroup_print_oom_context 💖

hey bestie!! this is a page from the Kernel API Manual ✨ the header shortens the title to mem_cgroup_p..._oom_context(9) (iykyk), and the function is here to print OOM information relevant to memory controller. no cap, let’s get into it. 🫶

🌸 NAME 🌸

mem_cgroup_print_oom_context — print OOM information relevant to memory controller. periodt. 💅

✨ SYNOPSIS ✨

void mem_cgroup_print_oom_context (struct mem_cgroup *memcg , struct task_struct *p );

🎀 ARGUMENTS 🎀

• memcg — the memory cgroup that went over limit. 👀
• p — the task that is going to be killed. 😭

💀 NOTE 💀

quick note, bestie: memcg and p's mem_cgroup can be different when hierarchy is enabled. yes, that’s the whole note — don’t let the vibe check fool you. 💅

🌈 SEE ALSO 🌈

Kernel file ./mm/memcontrol.c — and here’s the whole squad:

• get_mem_cgroup_css_from_folio(9)
• page_cgroup_ino(9)
• lruvec_page_state_monotonic(9)
• mod_memcg_state(9)
• mod_lruvec_state(9)
• count_memcg_events(9)
• get_mem_cgroup_from_mm(9)
• get_mem_cgroup_from_current(9)
• get_mem_cgroup_from_folio(9)
• mem_cgroup_iter(9)
• mem_cgroup_iter_break(9)
• mem_cgroup_scan_tasks(9)
• folio_lruvec_lock(9)
• folio_lruvec_lock_irq(9)
• folio_lruvec_lock_irqsave(9)
• mem_cgroup_update_lru_size(9)
• mem_cgroup_margin(9)
• mem_cgroup_print_oom_meminfo(9)
• mem_cgroup_get_oom_group(9)
• consume_stock(9)
• __memcg_kmem_charge_page(9)
• __memcg_kmem_uncharge_page(9)
• mem_cgroup_wb_stats(9)
• mem_cgroup_from_private_id(9)
• mem_cgroup_css_reset(9)
• mem_cgroup_calculate_protection(9)
• mem_cgroup_charge_hugetlb(9)
• mem_cgroup_swapin_charge_folio(9)
• mem_cgroup_replace_folio(9)
• mem_cgroup_migrate(9)
• mem_cgroup_sk_charge(9)
• mem_cgroup_sk_uncharge(9)
• __mem_cgroup_try_charge_swap(9)
• __mem_cgroup_uncharge_swap(9)
• obj_cgroup_may_zswap(9)
• obj_cgroup_charge_zswap(9)
• obj_cgroup_uncharge_zswap(9)

okay that’s the whole page, bestie 💖 source/version: ./mm · date: October 2026 · manual: mem_cgroup_p..._oom_context(9) — mwah, bye! 🫶