gmap_age_gfn(9)

🎀 gmap_age_gfn(9) 🎀

okay bestie, welcome to the Kernel API Manual entry for gmap_age_gfn — it's giving "clear young" main character energy, and we're gonna get into it 💅✨

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✨ NAME ✨

gmap_age_gfn — Clear young. 🫶

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💖 SYNOPSIS 💖

bool gmap_age_gfn (struct gmap *gmap , gfn_t start , gfn_t end );

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🫶 ARGUMENTS 🫶

• gmap — The guest gmap. 👑
• start — The first gfn to test. 🌸
• end — The gfn after the last one to test. 🦋

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🔒 CONTEXT 🔒

Called with the kvm mmu write lock held. fr fr, that's the context — no cap 🔐

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🎀 RETURN 🎀

1 if any page in the given range was young, otherwise 0. literally that simple 💖

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🌈 SEE ALSO 🌈

Kernel file ./arch/s390/kvm/gmap/gmap.c — plus gmap_new(9), gmap_dispose(9), s390_replace_asce(9), gmap_unmap_gfn_range(9), gmap_try_fixup_minor(9), gmap_2g_allowed(9), gmap_1m_allowed(9), gmap_ucas_translate(9), gmap_find_shadow(9), gmap_create_shadow(9) — bestie, go read the whole squad 🧚💜

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Signed off with love from the ./arch/s390/kvm/gmap source/version, October 2026 edition — periodt 💅🎀