kvm_test_age_gfn(9)

💖 NAME 💖

okay so bestie, this is a page from the Kernel API Manual, and the main character is kvm_test_age_gfn(9) — test young ✨ periodt.

🌸 SYNOPSIS 🌸

bool kvm_test_age_gfn (struct kvm *kvm , struct kvm_gfn_range *range );

🎀 ARGUMENTS 🎀

• kvm — the kvm instance 💅
• range — the range of guest addresses whose young status needs to be cleared 🫶

🦋 CONTEXT 🦋

This one is called by KVM common code without holding the kvm mmu lock, no cap. 🧚

⭐ RETURN ⭐

Returns true if any page in the given range is young, otherwise 0. 💖

🔥 SEE ALSO 🔥

Kernel file ./arch/s390/kvm/s390/s390.c

• kvm_s390_update_topology_change_report(9)
• kvm_s390_cpus_from_pv(9)
• kvm_s390_cpus_to_pv(9)
• kvm_arch_vcpu_pre_fault_memory(9)
• kvm_age_gfn(9)
• kvm_unmap_gfn_range(9)

Cute little sign-off, bestie: source/version is ./arch/s390/kvm/s390, dated October 2026, and the page is kvm_test_age_gfn(9). slay your kernel adventures 💅✨🦋