xen_xlate_m...looned_pages(9)

💅 xen_xlate_m...looned_pages — like, the Kernel API Manual, but make it make sense ✨

okay so bestie, welcome to the Kernel API Manual entry for xen_xlate_m...looned_pages 🎀 yes the name is literally truncated with the ... and no we're not fixing it, that's just how it's living its life. sit down, hydrate, let's go 🫶

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✨ NAME ✨

xen_xlate_map_ballooned_pages — map a new set of ballooned pages 💖

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🌸 SYNOPSIS 🌸

int xen_xlate_map_ballooned_pages (xen_pfn_t **gfns , void **virt ,
       unsigned long nr_grant_frames );

that's the whole vibe, no cap. three arguments, one int coming back at you 🦋

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🎀 ARGUMENTS 🎀

• gfns — returns the array of corresponding GFNs ✨ like, it hands you back the array, that's the whole point
• virt — returns the virtual address of the mapped region 🌈 so you know where it actually landed
• nr_grant_frames — number of GFNs return 0 on success, error otherwise 💀 yeah that's literally what it says, the count of GFNs, and: return 0 on success, error otherwise. iconic wording, keeping it exactly as-is, not my business to edit 🔥

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💜 DESCRIPTION 💜

so what does it do? it allocates a set of ballooned pages and maps them into the kernel's address space 🧚 that's it, that's the whole thing, and honestly? slay.

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👑 SEE ALSO 👑

• Kernel file ./drivers/xen/xlate_mmu.c — go read it, iykyk 📖

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💀 friendly reminder from your girl: nr_grant_frames says "return 0 on success, error otherwise" — so like, check your return value, bestie, always check your return value.

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and that's the page!! mwah 💅 — brought to you by the lovely humans at ./drivers/xen, dated October 2026, which is honestly giving time traveler energy 🦋✨ periodt.