vmballoon_deflate(9)

📦 version 7.3.1, in nixpkgs unstable

okay so bestie, welcome to the vmballoon_deflate(9) page from the Kernel API Manual 💅 this one is short and sweet, and yes, it's about making the balloon smaller. let's get into it.

🎀 NAME 🎀

vmballoon_deflate — Decrease the size of the balloon. 💖

✨ SYNOPSIS ✨

the signature, exactly as it appears:

unsigned long vmballoon_deflate (struct vmballoon *b , uint64_t n_frames
, bool coordinated );

🫶 ARGUMENTS 🫶

  • b — pointer to the balloon. 🎈
  • n_frames — the number of frames to deflate. If zero, automatically calculated according to the target size. 🔢
  • coordinated — whether to coordinate with the host. 🫱

🌸 DESCRIPTION 🌸

Decrease the size of the balloon allowing guest to use more memory. that's the whole glow-up: smaller balloon, more memory for the guest to vibe with. ✨

💅 RETURN 💅

The number of deflated frames (i.e., basic page size units). 💯

🌈 SEE ALSO 🌈

okay this list is long but we're not skipping a single one, periodt. 🫡 Kernel file ./drivers/misc/vmw_balloon.c, plus:

byeee 🫶 — this iconic little page comes from ./drivers/misc, dated October 2026, and it's vmballoon_deflate(9) saying mwah 💋✨

📦 where this page comes from