From nobody Sun Feb 8 07:48:06 2026 Received: from mail-ed1-f51.google.com (mail-ed1-f51.google.com [209.85.208.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6AD8B190671 for ; Tue, 20 Aug 2024 16:24:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724171101; cv=none; b=tNlkQ8mPDDdIRW0pCpfwisfPvNbT0Yf9i70MKcqUf7vk3PT036DSoWcfp+AJQUTRX6YbBUMnBnqHBOv7W3FF91WdcbFpVq4dhE5p6BowI16NHk8gzbU8+b5ku+TBCjpdKiFR+usbH5txoLN9VDFAvuDXroaiZgUjVYKpdFOH534= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724171101; c=relaxed/simple; bh=2eNpori7ijAO0KE5CfbR7xqHuMRyRCj2Pmn3icvdUuU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=szKCBu3yLjT75oIA1tdcwEX449ERN3KvOgS21tTDFAB+5hdGPq5oxHjRKASiW4EXgGI8+6UmaHwwycCzPWeicsWXPFHDa/SJXrwYFeMRHpp75Qsd6cS7qYszcNUjaIwu1rsfdcpqqVjqvHoUejjOZ0UAG6i/Or+3D4yaiPNuWR8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=toblux.com; spf=none smtp.mailfrom=toblux.com; dkim=pass (2048-bit key) header.d=toblux-com.20230601.gappssmtp.com header.i=@toblux-com.20230601.gappssmtp.com header.b=WlK+nnZ/; arc=none smtp.client-ip=209.85.208.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=toblux.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=toblux.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=toblux-com.20230601.gappssmtp.com header.i=@toblux-com.20230601.gappssmtp.com header.b="WlK+nnZ/" Received: by mail-ed1-f51.google.com with SMTP id 4fb4d7f45d1cf-5becb24e227so663950a12.2 for ; Tue, 20 Aug 2024 09:24:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toblux-com.20230601.gappssmtp.com; s=20230601; t=1724171098; x=1724775898; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=APU9tMJCpenUMC6yhXzDejWbQFkKRW9sw3JyNE2D4q4=; b=WlK+nnZ/6OElqKbiVOXHiElrISFzGVkYLeibkeKfEnqGqR5h1U25eWfYm3I6EM20sb xAQheugBI6cEJUs1zm/OPIDst6gmfm6L4rtIRrWrQ6Qe2mr+9eBfUXCUrPPqCBO5xpAH XzLCHjS0Y9JHrxLGWzii8kj+4HqK/SCELBh3lHDrwSNMIOCNTcrevfw3yYD2PYc3AVsa cGUUSSy+U+ge0KzAMIctoj15wlqPKg5ahF94jPkmo+8/ie6BX1muXu7tQjF1P98poPYA 0p6SkzMdai7Dl3FFEJO89AbCo0simlJui69bHYN8kr69ItqEgduqNcn1fhONpR6z7fNw IdOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724171098; x=1724775898; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=APU9tMJCpenUMC6yhXzDejWbQFkKRW9sw3JyNE2D4q4=; b=ezb++lGOmCsGD/xzXu9TZgztbS38pPXSzqEttlJiimCxLTxhY6feJhfFOZ3gxEtXbL n72qM7up+rEKYVhYSR+Tu9FBIvBAWDcO7MNP/fkXsZCSAeL5f3THNFIJsnXawEUlon3I kOLfMpc6yNqNrX/5LgWom0qVaGHWM0kxITub4Bq+qOjy6lR+0hJzHsKWGrNYvtyvwLPg myPWNASl/4spYnC1ETJMgqdOIuKf0ct4I9VlQn6bto/d2Y5FcgS6bIH3JHsMKFTGU5i7 HvpSelQejgDVbTDp0zdcHD181WuIZRVxJdng42CaxrTzGEGvVB+F3aak0F5NFC5RnmWS mPsg== X-Forwarded-Encrypted: i=1; AJvYcCU7Lpash8i3WVl7dCtW9ti+FsTAP1KyvlkebMJCOCHsAQILFW0mXOF4AK+IVV2SOG9OJLa32AC0tCH26Jk=@vger.kernel.org X-Gm-Message-State: AOJu0Yyi1DqX5MgQXUQR/S/I3fxMDJtID2ZKQcVSoMTu1QbOl7dQYdlw 3vuK5NQrf7+QEr6+g5NUwzpuUXUGBaB17A9ONwjKGxAlafyrAOb3vmQtFEaSzL0= X-Google-Smtp-Source: AGHT+IF7SKUNETxE/Jdu/YGqFLjKzRhmaqsU6MOEriSsSPJW5OwLKJqW4BGUvohJd6GSYQuTRXu1RQ== X-Received: by 2002:a05:6402:2682:b0:5be:bcdf:4118 with SMTP id 4fb4d7f45d1cf-5beca9587fcmr5345994a12.5.1724171097592; Tue, 20 Aug 2024 09:24:57 -0700 (PDT) Received: from fedora.fritz.box (aftr-82-135-80-228.dynamic.mnet-online.de. [82.135.80.228]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5bf0b0cc99fsm1205498a12.49.2024.08.20.09.24.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Aug 2024 09:24:57 -0700 (PDT) From: Thorsten Blum To: akpm@linux-foundation.org, david@fromorbit.com, zhengqi.arch@bytedance.com, roman.gushchin@linux.dev, muchun.song@linux.dev Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Thorsten Blum Subject: [PATCH] mm: shrinker: Use min() to improve shrinker_debugfs_scan_write() Date: Tue, 20 Aug 2024 06:22:55 +0200 Message-ID: <20240820042254.99115-2-thorsten.blum@toblux.com> X-Mailer: git-send-email 2.46.0 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 Content-Type: text/plain; charset="utf-8" Use the min() macro to simplify the shrinker_debugfs_scan_write() function and improve its readability. Signed-off-by: Thorsten Blum Reviewed-by: Muchun Song --- mm/shrinker_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/shrinker_debug.c b/mm/shrinker_debug.c index 12ea5486a3e9..4a85b94d12ce 100644 --- a/mm/shrinker_debug.c +++ b/mm/shrinker_debug.c @@ -114,7 +114,7 @@ static ssize_t shrinker_debugfs_scan_write(struct file = *file, int nid; char kbuf[72]; =20 - read_len =3D size < (sizeof(kbuf) - 1) ? size : (sizeof(kbuf) - 1); + read_len =3D min(size, sizeof(kbuf) - 1); if (copy_from_user(kbuf, buf, read_len)) return -EFAULT; kbuf[read_len] =3D '\0'; --=20 2.46.0