vmpressure_init(9)

💅 vmpressure_init(9) — like, the Kernel API Manual but make it make sense ✨

okay bestie, so this is vmpressure_init(9) from the Kernel API Manual and it is genuinely one of the smallest little guys in the whole kernel tree, but she is important, so let's give her the attention she deserves 🎀

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🌸 NAME 🌸

vmpressure_init — initialize the vmpressure control structure. that's it. that's the whole job. and she ate 💅

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✨ SYNOPSIS ✨

void vmpressure_init (struct vmpressure *vmpr );

literally one function, one argument, returns nothing. no cap. 🫶

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🦋 ARGUMENTS 🦋

• vmpr — the structure to be initialized. this is the little vmpressure struct you're handing over so it can get set up properly, bestie 🌈

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💖 DESCRIPTION 💖

okay so listen, this is the part that actually matters: you call this function on every allocated vmpressure structure before any usage. like, before. not after, not "ehh I'll do it later", not "it'll probably be fine" 😭 every single one you allocate, you init it first. that's the vibe check and you must pass it 👑

think of it as the getting-ready-with-me of kernel structs — you do the prep before you go anywhere, periodt. 🔥

ngl this is the kind of thing that feels obvious until you skip it and then everything is on fire 💀 so don't skip it.

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👑 SEE ALSO 👑

• Kernel file ./mm/vmpressure.c
• vmpressure(9)
• vmpressure_cleanup(9)

go read those too, iykyk 🧚

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and that's the whole page, bestie 🍓 this one came from the ./mm corner of the tree, dated October 2026 — so like, future energy but make it kernel ⭐ mwah, love u, go init your structs 💜