From nobody Sun Dec 14 19:27:54 2025 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8D1B335BA for ; Thu, 17 Apr 2025 09:25:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744881930; cv=none; b=ogos1qD/XnM7rrONFW7ENxL2Vg3NA5fiwtehcecmvdOkortVnDRfkox3VDZIHPMZ/plcbn0VzpILWCHTbMEMJ5y/uTA7QvU0kipqzv6ywpPA15MHKPEm7CjolDJQjmC7wXfyU2QpGro2gqLcUdbaTsnEIo//rCkRZiSffPEEL0Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744881930; c=relaxed/simple; bh=K7AiGD8Wrma7f04yrEFvYmfkO2/F7mTbzH9eY+bJsBU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=WfutbW4vkpg50s0A2oL95vvBZxoQZrolbpYjuV10H70meQfe/Df5hrBtbwmwdztUkzCOR1ANT+r8EYh3Gek6m6auMv3IcV554U2E0H0MAMS4aMeMtOkaRG5JkC6nAGHgzJHW2WKd5wpeMWqCba+IwqOCOwvAK0yyhA87yfeFdhQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=UWbiXbiX; arc=none smtp.client-ip=95.215.58.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="UWbiXbiX" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1744881924; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=SfwgROIDadVbaR4igOtSawlNRohOkl+zEoFeXeINbfI=; b=UWbiXbiXvblAzIZ0n9b/4C4xtKxi50muEZGaj8aqV3broqUSyrylwL4vcvzbBhhIeZOSXa 2ejGRKHnzq+Ja7EbJxfJzQx18cRczNmw3k+PJ9D5mikCmJjlT3CPQ8vj2Z1dX9g81HJ1Bb kZ52mqafbuIULvf9h2kHVs6MbpacrKg= From: Hao Ge To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Hao Ge Subject: [PATCH] mm/vmscan: Modify the assignment logic of the scan and total_scan variables Date: Thu, 17 Apr 2025 17:24:22 +0800 Message-Id: <20250417092422.1333620-1-hao.ge@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" From: Hao Ge The scan and total_scan variables can be initialized to 0 when they are defined, replacing the separate assignment statements. Signed-off-by: Hao Ge Acked-by: Dev Jain --- mm/vmscan.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index b620d74b0f66..bf360ac4f1cf 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1725,13 +1725,11 @@ static unsigned long isolate_lru_folios(unsigned lo= ng nr_to_scan, unsigned long nr_taken =3D 0; unsigned long nr_zone_taken[MAX_NR_ZONES] =3D { 0 }; unsigned long nr_skipped[MAX_NR_ZONES] =3D { 0, }; - unsigned long skipped =3D 0; - unsigned long scan, total_scan, nr_pages; + unsigned long skipped =3D 0, total_scan =3D 0, scan =3D 0; + unsigned long nr_pages; unsigned long max_nr_skipped =3D 0; LIST_HEAD(folios_skipped); =20 - total_scan =3D 0; - scan =3D 0; while (scan < nr_to_scan && !list_empty(src)) { struct list_head *move_to =3D src; struct folio *folio; --=20 2.25.1