dmem_cgroup_below_low(9)

💅 dmem_cgroup_below_low(9)

okay so bestie, welcome to the Kernel API Manual ✨ — this one's a lil function called dmem_cgroup_below_low, and it's literally exactly what it sounds like: it checks whether your current usage is chillin' within the low limit. that's the whole vibe check 🫶

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🌸 NAME 🌸

dmem_cgroup_below_low — tests whether current usage is within low limit. no cap, that's it 💖

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✨ SYNOPSIS ✨

bool dmem_cgroup_below_low (struct dmem_cgroup_pool_state *root , struct
dmem_cgroup_pool_state *test );

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🎀 ARGUMENTS 🎀

• root — the root of the subtree you wanna calculate protection for 💅 or pass NULL to calculate global protection instead. both are valid, she's flexible.
• test — the pool you're actually testing the usage/low limit of 🧚 this is the main character of the call, fr fr.

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🔥 RETURN 🔥

Returns true if usage is below low and the cgroup is protected. Otherwise? false. that's the tea ☕ no in-between, no "maybe", just straight boolean energy 💀

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🌈 SEE ALSO 🌈

• Kernel file ./kernel/cgroup/dmem.c 👑
• dmem_cgroup_state_evict_valuable(9)
• dmem_cgroup_unregister_region(9)
• dmem_cgroup_register_region(9)
• dmem_cgroup_pool_state_put(9)
• dmem_cgroup_uncharge(9)
• dmem_cgroup_try_charge(9)
• dmem_cgroup_below_min(9)
• dmem_cgroup_get_common_ancestor(9)

like, go read those too, they're all part of the same friend group 🦋

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and that's the whole page, bestie 🎀 mwah 💋 — brought to you by ./kernel/cgroup, dated October 2026, straight out of the Kernel API Manual. slay ✨💜