mm: frontswap: remove unnecessary check during initialization

The check whether frontswap is enabled or not is done in the API functions in
the frontswap header, before they are passed to the internal
double-underscored frontswap functions.

Remove the check from __frontswap_init for consistency.
Reviewed-by: NMinchan Kim <minchan@kernel.org>
Signed-off-by: NSasha Levin <levinsasha928@gmail.com>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>

mm/frontswap.c

@@ -110,8 +110,7 @@ void __frontswap_init(unsigned type)
 	BUG_ON(sis == NULL);
 	if (sis->frontswap_map == NULL)
 		return;
-	if (frontswap_enabled)
-		frontswap_ops.init(type);
+	frontswap_ops.init(type);
 }
 EXPORT_SYMBOL(__frontswap_init);