diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
index 8c67a59eddb5..4008178f0297 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
@@ -346,6 +346,10 @@ mappedwrite(vnode_t *vp, int nbytes, uio_t *uio, dmu_tx_t *tx)
 			VM_OBJECT_LOCK(obj);
 			vm_page_wakeup(m);
 		} else {
+			if (__predict_false(obj->cache != NULL)) {
+				vm_page_cache_free(obj, OFF_TO_IDX(start),
+				    OFF_TO_IDX(start) + 1);
+			}
 			dirbytes += bytes;
 		}
 		len -= bytes;
diff --git a/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c b/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
index 8c67a59eddb5..4008178f0297 100644
--- a/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
+++ b/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
@@ -346,6 +346,10 @@ mappedwrite(vnode_t *vp, int nbytes, uio_t *uio, dmu_tx_t *tx)
 			VM_OBJECT_LOCK(obj);
 			vm_page_wakeup(m);
 		} else {
+			if (__predict_false(obj->cache != NULL)) {
+				vm_page_cache_free(obj, OFF_TO_IDX(start),
+				    OFF_TO_IDX(start) + 1);
+			}
 			dirbytes += bytes;
 		}
 		len -= bytes;