From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout.efficios.com (smtpout.efficios.com [167.114.26.122]) (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 54A101A01CA for ; Thu, 29 Aug 2024 15:43:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=167.114.26.122 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724946198; cv=none; b=nAO6zCckPvWv866O5PB/J1EK0y79QzMsr/E2W7esjFFyJHCknXaOsMLI+bRQty5w50xqWgGrhuBfziFvJcBeMBH10+MK5soqxifmeAeB8ZDttHgWnxFTq+Uj7/Mgp0XsMzTNAKISplJd5suaplWU/ZYAZ2ScBNowEMPLACBIil8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724946198; c=relaxed/simple; bh=3SuLOfXz/9uY3xyQgmvFkIXRf38uIGdA2u10bsGgs7c=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YH5ZHOtpkNX6sZ49z1kclZdWTyaYrTHXHzKfk9LIZbqW1Kj8YNg7xo2W2vFzrhNZ/VIPf17F6byTZXGVe2bk0UvaAdAUGYrKvPmJrBCcTctmGXlQIskXquSqGUPuBT/Yb9gz7z1mtjTx7WPQPju+0RU9wZgCFnDRXcaglAArdac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=efficios.com; spf=pass smtp.mailfrom=efficios.com; dkim=pass (2048-bit key) header.d=efficios.com header.i=@efficios.com header.b=AIpAOTLI; arc=none smtp.client-ip=167.114.26.122 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=efficios.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=efficios.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=efficios.com header.i=@efficios.com header.b="AIpAOTLI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=efficios.com; s=smtpout1; t=1724946193; bh=3SuLOfXz/9uY3xyQgmvFkIXRf38uIGdA2u10bsGgs7c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AIpAOTLIF2NeT1EpWg2HOko8NqoYatlca+h1VNnl2qv+FLCbpvF6ibzpxOVr9EzFT HDiX2fK7LvqWUnrNzKoh36eXSLbRGy8mVqjnN19d5DKgPUniVC6B2UNyuUM2bjgvPw 3mMIgvtThyQjDb3I4h0bc7v98JKL/h6ZIyresQjNQq6mKuBEknpjLDwgibFcDCkHFL 7xZUaVeflmTDsf0+kVFcjFkRl4WgyED+V3FbvFhvYUctDKR51a/NZn/wYVdk2t9RMG Z1iJO+bVHZSOlF4cu3qI4AZ482DomCQB80iUe+R+7ma4ivIuV2yIfccI/HOsPMEVyl DQXBcW0KT+haA== Received: from smtpout01.internal.efficios.com (96-127-217-162.qc.cable.ebox.net [96.127.217.162]) by smtpout.efficios.com (Postfix) with ESMTPSA id 4Wvlt925mXz1JQn; Thu, 29 Aug 2024 11:43:13 -0400 (EDT) Received: from laptop-kstewart.internal.efficios.com (laptop-kstewart.internal.efficios.com [172.16.0.60]) by smtpout01.internal.efficios.com (Postfix) with ESMTP id E9BC85C7; Thu, 29 Aug 2024 11:43:12 -0400 (EDT) From: Kienan Stewart To: Alejandro Colomar Cc: linux-man@vger.kernel.org, Kienan Stewart Subject: [PATCH 2/2] pipe.7: Reference potential lower default in pipe capacity section Date: Thu, 29 Aug 2024 11:43:04 -0400 Message-ID: <20240829154304.2010305-2-kstewart@efficios.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240829154304.2010305-1-kstewart@efficios.com> References: <20240829154304.2010305-1-kstewart@efficios.com> Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The pipe capacity section makes no indication that the default capacity of pipes may not be `16 * PAGE_SIZE` for users exceeding the `pipe_user_pages_soft` limit. Signed-off-by: Kienan Stewart --- man/man7/pipe.7 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/man/man7/pipe.7 b/man/man7/pipe.7 index c7f3fbb9e..3d853d27c 100644 --- a/man/man7/pipe.7 +++ b/man/man7/pipe.7 @@ -131,6 +131,9 @@ operations. See .BR fcntl (2) for more information. +Since Linux 4.5, the default pipe capacity is lower than 16 pages when the +.I pipe\-user\-pages\-soft +limit is exceeded. .P The following .BR ioctl (2) -- 2.45.2