diff options
| author | Bradley Morgan <include@grrlz.net> | 2026-06-21 21:31:55 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2026-06-22 10:48:08 +0100 |
| commit | d098bb75d14fde2f12155f1a95ec0168160867ce (patch) | |
| tree | 6367155790867301f10d5a2d81e36ddce38045fe | |
| parent | cbe2278aa3dd6832c544782c6cfed1fbc1f71a42 (diff) | |
KVM: arm64: account pKVM reclaim against the VM mm
Protected guest faults charge long term pins to the VM's mm. Teardown
can run later from file release, where current->mm may be unrelated.
Drop the charge from kvm->mm instead.
Fixes: 4e6e03f9eadd ("KVM: arm64: Hook up reclaim hypercall to pkvm_pgtable_stage2_destroy()")
Signed-off-by: Bradley Morgan <include@grrlz.net>
Reviewed-by: Fuad Tabba <fuad.tabba@linux.dev>
Tested-by: Fuad Tabba <fuad.tabba@linux.dev>
Link: https://patch.msgid.link/20260621213155.6019-1-include@grrlz.net
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: stable@vger.kernel.org
| -rw-r--r-- | arch/arm64/kvm/pkvm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/pkvm.c b/arch/arm64/kvm/pkvm.c index 053e4f733e4b..428723b1b0f5 100644 --- a/arch/arm64/kvm/pkvm.c +++ b/arch/arm64/kvm/pkvm.c @@ -352,7 +352,7 @@ static int __pkvm_pgtable_stage2_reclaim(struct kvm_pgtable *pgt, u64 start, u64 page = pfn_to_page(mapping->pfn); WARN_ON_ONCE(mapping->nr_pages != 1); unpin_user_pages_dirty_lock(&page, 1, true); - account_locked_vm(current->mm, 1, false); + account_locked_vm(kvm->mm, 1, false); pkvm_mapping_remove(mapping, &pgt->pkvm_mappings); kfree(mapping); } |