On 12/12/19 7:33 AM, Liran Alon wrote:
+ /* + * Our caller grabbed the KVM mmu_lock with a successful + * mmu_notifier_retry, so we're safe to walk the page table. + */ + switch (dev_pagemap_mapping_shift(hva, current->mm)) {Doesn’t dev_pagemap_mapping_shift() get “struct page” as first parameter? Was this changed by a commit I missed?
I changed this in Patch 1. The place I call it in KVM has the address and mm available, which is the only think dev_pagemap_mapping_shift() really needs. (The first thing it did was convert page to address).
I'll add some more text to patch 1's commit message about that. Thanks, Barret
