RE: [HMM v17 09/14] mm/hmm/mirror: mirror process address space on device with HMM helpers

[Krishna Reddy]

+/*
+ * struct hmm_mirror_ops - HMM mirror device operations callback
+ *
+ * @update: callback to update range on a device  */ struct 
+hmm_mirror_ops {
+	/* update() - update virtual address range of memory
+	 *
+	 * @mirror: pointer to struct hmm_mirror
+	 * @update: update's type (turn read only, unmap, ...)
+	 * @start: virtual start address of the range to update
+	 * @end: virtual end address of the range to update
.......
+	 */
+	void (*update)(struct hmm_mirror *mirror,
+		       enum hmm_update action,
+		       unsigned long start,
+		       unsigned long end);
+};

minor arg documentation issue. @update should be @action.