PageHuge(9)

💅 PageHuge(9) — like, the Kernel API Manual page you've been waiting for

okay bestie, welcome to the Kernel API Manual ✨ today's main character is PageHuge, and honestly? she's a vibe check for your pages. let's get into it 🫶

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🌸 NAME

PageHuge — determine if the page belongs to hugetlbfs

like, is this page a hugepage babe or not, that's the whole question 💖

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✨ SYNOPSIS

bool PageHuge (const struct page *page );

no cap, that's the entire signature. one page in, one bool out. iconic 💅

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🎀 ARGUMENTS

• page — the page to test. that's it. that's the whole argument. she just wants the page to test 🦋

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🧚 CONTEXT

Any context. literally any. no locks, no special mood, no prerequisites — press go whenever, bestie 😌✨

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🔥 RETURN

• true — for hugetlbfs pages 👑 (slay, she's huge)
• false — for anon pages, or pages belonging to other filesystems 💀 (not huge, not her era)

fr fr that's the whole return contract, no hidden extras, no "undefined otherwise", nothing. clean. periodt 🌈

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⭐ SEE ALSO

the kernel file ./include/linux/page-flags.h, plus these absolute legends:

• page_folio(9)
• folio_page(9)
• folio_xor_flags_has_waiters(9)
• folio_test_uptodate(9)
• folio_test_large(9)
• page_has_movable_ops(9)
• folio_has_private(9)

go read them, iykyk 📚💜

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and that's the page!! 🎉 source vibes: ./include/linux, dated October 2026 — so like, future-core of her, ngl 🦋✨ catch you in the next manpage, bestie, mwah 💖🎀🌸