kvm_get_dirty_log(9)

✨ kvm_get_dirty_log(9) ✨

okay so bestie, welcome to the Kernel API Manual entry for kvm_get_dirty_log — literally the function that hands you a snapshot of dirty pages 💅 like it's sliding you the receipts of which guest memory pages got touched since last time. iykyk.

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🎀 NAME 🎀

kvm_get_dirty_log — get a snapshot of dirty pages

no cap, that's the whole vibe. dirty pages, snapshot, go 🌸

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🦋 SYNOPSIS 🦋

int kvm_get_dirty_log (struct kvm *kvm , struct kvm_dirty_log *log , int
*is_dirty , struct kvm_memory_slot **memslot );

it's giving "four args, one int return" main character energy ✨

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💖 ARGUMENTS 💖

• kvm — pointer to kvm instance 👑 this is your kvm, your whole situation
• log — slot id and address to which we copy the log 🍓 like, the slot id lives here and this is also where the log gets copied to
• is_dirty — set to '1' if any dirty pages were found 🔥 so if it comes back '1', congrats, something was dirty
• memslot — set to the associated memslot, always valid on success ✅ read that again: always valid on success, periodt

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🧚 SEE ALSO 🧚

kernel file ./virt/kvm/kvm_main.c 🫶 and like, all its besties:

• kvm_get_dirty_log_protect(9)
• kvm_vm_ioctl_get_dirty_log(9)
• kvm_clear_dirty_log_protect(9)
• kvm_get_running_vcpu(9)
• kvm_get_running_vcpus(9)

go read them too, they're iconic, no skips 💜

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and that's the whole page, bestie 🌈 this lil gem lives in ./virt/kvm, dated October 2026, and it's part of the Kernel API Manual — mwah, stan 💅🎀🦋