From patchwork Tue Feb 15 09:15:18 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: CGEL X-Patchwork-Id: 12746743 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 513B8C433EF for ; Tue, 15 Feb 2022 09:15:27 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id BEFA86B0078; Tue, 15 Feb 2022 04:15:26 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B9F646B007B; Tue, 15 Feb 2022 04:15:26 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A8E2C6B007D; Tue, 15 Feb 2022 04:15:26 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0134.hostedemail.com [216.40.44.134]) by kanga.kvack.org (Postfix) with ESMTP id 98DBD6B0078 for ; Tue, 15 Feb 2022 04:15:26 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 51AFC89105 for ; Tue, 15 Feb 2022 09:15:26 +0000 (UTC) X-FDA: 79144455852.30.BD6BE0A Received: from mail-qk1-f182.google.com (mail-qk1-f182.google.com [209.85.222.182]) by imf01.hostedemail.com (Postfix) with ESMTP id C71AF40004 for ; Tue, 15 Feb 2022 09:15:25 +0000 (UTC) Received: by mail-qk1-f182.google.com with SMTP id g145so16771198qke.3 for ; Tue, 15 Feb 2022 01:15:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=fH01mniveQGAcj6Bbs/JqhkCysLp12SD3HnMWnq6RRs=; b=Du7cJLUV35WA3PTMr3lGkBumroUO+hvhoIyHG5iISRKfCN8gJxVAgT1YXCCfL7v5RW h5RtYl6DPFxIedqjHJQVQYgnkVJYYehwbDYl1M7X8IA9NRXyqVj86pINXvziIqaGSGUE cSEJ1LY/G01QA+NZaom0G6qcsqljT86Jydrn+ucGpFJUyT5dEU1Y49UF/t2oJP2orwNo oDB9LWtU9q3qkbU5ehtnfb+CnUSD+eldHMbNX5chX6+LLzZ+q/eImOw3vwInzmzCPYnD /4aLl34D1MRjxBd+4wz1d8TlDs2OBArLsb3+k1qm/KYJy30IhPKEX7l4nnWgxd3M54JB b5ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=fH01mniveQGAcj6Bbs/JqhkCysLp12SD3HnMWnq6RRs=; b=rYWAY6tV62XValPR2xuvr9GJL1Tl1HwZW3TvzJoobTgeXL0k7HqNyVI4UUM3y2HZfK GcnuYOwzZBkd7xovBoNmpL5JYu0m36C5WNvnj3nUQe57/Xm3nNUd32gyiQown/JNc+0J XAOdLsa0dS94EFSOfJ8LZi5Wv6Prs1V9UfxhgvyryfO4VFCoey+mNZjrfG/j3cYLRGBF LrUGZ6fNKlNRjA5SbRK7MQuXp9HF9nRFLqanr7X/zryn+t1ZlTC9HpI8+KXKDfxHLgnp OiPhoJWN5HSbgRIIoVoBW9VJvFaYbwhLRrRPh3RZyjsAUWtchODoE2/2/HZtMRhCwJ4m 7MnQ== X-Gm-Message-State: AOAM532EJoBoqNXamRe4wPasEyIrPBHun8z5+Zb5cHaQ5MiepuCIA48r rJsYLNBvc3x5qaBSZqGvsj4= X-Google-Smtp-Source: ABdhPJzYNTryRZl8IVPI0AadC9z3pnlC4GJYIPZLOHwLGfIxlejwvwuSHZqpnVZTrPQh6UwheIqTng== X-Received: by 2002:a05:620a:c8a:: with SMTP id q10mr1448813qki.199.1644916525177; Tue, 15 Feb 2022 01:15:25 -0800 (PST) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id de43sm16379488qkb.4.2022.02.15.01.15.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Feb 2022 01:15:24 -0800 (PST) From: cgel.zte@gmail.com X-Google-Original-From: deng.changcheng@zte.com.cn To: jglisse@redhat.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Changcheng Deng , Zeal Robot Subject: [PATCH] lib/test_hmm: use min() to make code cleaner Date: Tue, 15 Feb 2022 09:15:18 +0000 Message-Id: <20220215091518.1776063-1-deng.changcheng@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Rspamd-Queue-Id: C71AF40004 X-Rspam-User: Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=Du7cJLUV; spf=pass (imf01.hostedemail.com: domain of cgel.zte@gmail.com designates 209.85.222.182 as permitted sender) smtp.mailfrom=cgel.zte@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Stat-Signature: fsioe359c46hutgaz6wusibseo5wb71o X-Rspamd-Server: rspam11 X-HE-Tag: 1644916525-893201 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000203, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Changcheng Deng Use min() in order to make code cleaner. Reported-by: Zeal Robot Signed-off-by: Changcheng Deng --- lib/test_hmm.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/lib/test_hmm.c b/lib/test_hmm.c index 361a026c5d21..cc1cdf79b09a 100644 --- a/lib/test_hmm.c +++ b/lib/test_hmm.c @@ -800,10 +800,7 @@ static int dmirror_exclusive(struct dmirror *dmirror, unsigned long mapped; int i; - if (end < addr + (ARRAY_SIZE(pages) << PAGE_SHIFT)) - next = end; - else - next = addr + (ARRAY_SIZE(pages) << PAGE_SHIFT); + next = min(end, addr + (ARRAY_SIZE(pages) << PAGE_SHIFT)); ret = make_device_exclusive_range(mm, addr, next, pages, NULL); mapped = dmirror_atomic_map(addr, next, pages, dmirror);