On Tue, 30 May 2023 19:32:13 +0000, Oliver Upton wrote:
> The reference count on page table allocations is increased for every
> 'counted' PTE (valid or donated) in the table in addition to the initial
> reference from ->zalloc_page(). kvm_pgtable_stage2_free_removed() fails
> to drop the last reference on the root of the table walk, meaning we
> leak memory.
>
> Fix it by dropping the last reference after the free walker returns,
> at which point all references for 'counted' PTEs have been released.
Applied to fixes, thanks!
[1/1] KVM: arm64: Drop last page ref in kvm_pgtable_stage2_free_removed()
commit: f6a27d6dc51b288106adaf053cff9c9b9cc12c4e
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
