From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5510CC43334 for ; Tue, 7 Jun 2022 03:31:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235572AbiFGDbq (ORCPT ); Mon, 6 Jun 2022 23:31:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230101AbiFGDbp (ORCPT ); Mon, 6 Jun 2022 23:31:45 -0400 Received: from mail.nfschina.com (unknown [IPv6:2400:dd01:100f:2:72e2:84ff:fe10:5f45]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id DA629427E8 for ; Mon, 6 Jun 2022 20:31:43 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mail.nfschina.com (Postfix) with ESMTP id 0B8461E80D74; Tue, 7 Jun 2022 11:31:27 +0800 (CST) X-Virus-Scanned: amavisd-new at test.com Received: from mail.nfschina.com ([127.0.0.1]) by localhost (mail.nfschina.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id VxJoDDgVzgzL; Tue, 7 Jun 2022 11:31:24 +0800 (CST) Received: from localhost.localdomain (unknown [219.141.250.2]) (Authenticated sender: kunyu@nfschina.com) by mail.nfschina.com (Postfix) with ESMTPA id 261341E80D55; Tue, 7 Jun 2022 11:31:24 +0800 (CST) From: Li kunyu To: ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com, dvyukov@google.com, vincenzo.frascino@arm.com Cc: linux@armlinux.org.uk, kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Li kunyu Subject: [PATCH] arm: create_mapping function to remove unused return values Date: Tue, 7 Jun 2022 11:31:22 +0800 Message-Id: <20220607033122.256388-1-kunyu@nfschina.com> X-Mailer: git-send-email 2.18.2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Change the return value to void to reduce eax register execution. Signed-off-by: Li kunyu --- arch/arm/mm/kasan_init.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/mm/kasan_init.c b/arch/arm/mm/kasan_init.c index 5ad0d6c56d56..db2068329985 100644 --- a/arch/arm/mm/kasan_init.c +++ b/arch/arm/mm/kasan_init.c @@ -187,7 +187,7 @@ static void __init clear_pgds(unsigned long start, pmd_clear(pmd_off_k(start)); } -static int __init create_mapping(void *start, void *end) +static void __init create_mapping(void *start, void *end) { void *shadow_start, *shadow_end; @@ -199,7 +199,6 @@ static int __init create_mapping(void *start, void *end) kasan_pgd_populate((unsigned long)shadow_start & PAGE_MASK, PAGE_ALIGN((unsigned long)shadow_end), false); - return 0; } void __init kasan_init(void) -- 2.18.2