[PATCH RFC v3 2/4] KVM: guest_memfd: Set release always on guest_memfd mappings

[Ackerley Tng]

Set release always on guest_memfd mappings to enable the use of
.invalidate_folio, which performs inode accounting for guest_memfd.

Signed-off-by: Ackerley Tng <ackerleytng@xxxxxxxxxx>
---
 virt/kvm/guest_memfd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c
index 77219551056a7..8246b9fbcf832 100644
--- a/virt/kvm/guest_memfd.c
+++ b/virt/kvm/guest_memfd.c
@@ -607,6 +607,7 @@ static int __kvm_gmem_create(struct kvm *kvm, loff_t size, u64 flags)
 	mapping_set_inaccessible(inode->i_mapping);
 	/* Unmovable mappings are supposed to be marked unevictable as well. */
 	WARN_ON_ONCE(!mapping_unevictable(inode->i_mapping));
+	mapping_set_release_always(inode->i_mapping);
 
 	GMEM_I(inode)->flags = flags;
 

-- 
2.53.0.473.g4a7958ca14-goog