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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDE7BC2B9F4 for ; Sat, 19 Jun 2021 09:32:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CCD87611CE for ; Sat, 19 Jun 2021 09:32:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233953AbhFSJfA (ORCPT ); Sat, 19 Jun 2021 05:35:00 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:7371 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232546AbhFSJe5 (ORCPT ); Sat, 19 Jun 2021 05:34:57 -0400 Received: from dggeme703-chm.china.huawei.com (unknown [172.30.72.55]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4G6Vpf54kwz6wK5; Sat, 19 Jun 2021 17:28:42 +0800 (CST) Received: from huawei.com (10.175.104.170) by dggeme703-chm.china.huawei.com (10.1.199.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sat, 19 Jun 2021 17:32:44 +0800 From: Miaohe Lin To: CC: , , , Subject: [PATCH 1/6] mm/z3fold: define macro NCHUNKS as TOTAL_CHUNKS - ZHDR_CHUNKS Date: Sat, 19 Jun 2021 17:31:46 +0800 Message-ID: <20210619093151.1492174-2-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210619093151.1492174-1-linmiaohe@huawei.com> References: <20210619093151.1492174-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.104.170] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggeme703-chm.china.huawei.com (10.1.199.99) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To improve the code readability, we could define macro NCHUNKS as TOTAL_CHUNKS - ZHDR_CHUNKS. No functional change intended. Signed-off-by: Miaohe Lin --- mm/z3fold.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/z3fold.c b/mm/z3fold.c index 56321bf37d56..04d0e493bd2e 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -62,7 +62,7 @@ #define ZHDR_SIZE_ALIGNED round_up(sizeof(struct z3fold_header), CHUNK_SIZE) #define ZHDR_CHUNKS (ZHDR_SIZE_ALIGNED >> CHUNK_SHIFT) #define TOTAL_CHUNKS (PAGE_SIZE >> CHUNK_SHIFT) -#define NCHUNKS ((PAGE_SIZE - ZHDR_SIZE_ALIGNED) >> CHUNK_SHIFT) +#define NCHUNKS (TOTAL_CHUNKS - ZHDR_CHUNKS) #define BUDDY_MASK (0x3) #define BUDDY_SHIFT 2 -- 2.23.0