zram: keep comments within 80-columns limit

Several trivial fixups (that I should have spotted during review).

Link: https://lkml.kernel.org/r/20220914052033.838050-1-senozhatsky@chromium.orgSigned-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

drivers/block/zram/zram_drv.c

@@ -329,8 +329,8 @@ static ssize_t idle_store(struct device *dev,
 
 	if (!sysfs_streq(buf, "all")) {
 		/*
-		 * If it did not parse as 'all' try to treat it as an integer when
-		 * we have memory tracking enabled.
+		 * If it did not parse as 'all' try to treat it as an integer
+		 * when we have memory tracking enabled.
 		 */
 		u64 age_sec;
 
@@ -345,7 +345,10 @@ static ssize_t idle_store(struct device *dev,
 	if (!init_done(zram))
 		goto out_unlock;
 
-	/* A cutoff_time of 0 marks everything as idle, this is the "all" behavior */
+	/*
+	 * A cutoff_time of 0 marks everything as idle, this is the
+	 * "all" behavior.
+	 */
 	mark_idle(zram, cutoff_time);
 	rv = len;
 
@@ -1416,11 +1419,11 @@ static int __zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
 		if (comp_len != PAGE_SIZE)
 			goto compress_again;
 		/*
-		 * If the page is not compressible, you need to acquire the lock and
-		 * execute the code below. The zcomp_stream_get() call is needed to
-		 * disable the cpu hotplug and grab the zstrm buffer back.
-		 * It is necessary that the dereferencing of the zstrm variable below
-		 * occurs correctly.
+		 * If the page is not compressible, you need to acquire the
+		 * lock and execute the code below. The zcomp_stream_get()
+		 * call is needed to disable the cpu hotplug and grab the
+		 * zstrm buffer back. It is necessary that the dereferencing
+		 * of the zstrm variable below occurs correctly.
 		 */
 		zstrm = zcomp_stream_get(zram->comp);
 	}