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 BF87C1B252C for ; Thu, 29 Aug 2024 15:43:07 +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=1724946190; cv=none; b=RckpQl5IxVKQTpoI1/1HEIuR7coEr98fIBGBTHVn6h3owkd8uUuZsC1IUGUh6rT11aCf18YqHHhwpmfXLUJmLTzeKy1D0Z/iF2CBb1MSo+BHk6oBiQoC5TMXJS3tg09uHNRAuA32qmTEmlxJOo3lmB77eT7czfSP5AzfzNb+Q70= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724946190; c=relaxed/simple; bh=xMzAlnLEy18dw7glsHU0KDwQnIYCh9ZrOtijFMxKevY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=PLE16KPNEmfDaVtEciRHEcvC81N6r71yJkl3oEhMjxK0M4jlaARAX4vb7zNJin0Q857tQ1JYsFIqO6ipjJEFwuQSSuBSpVx/utfSSpWBx5es8BYR0XaLa/tCsIcU+dbJNuGU8p7f/sAuTSsZ9KOqq1X7V/QOXiQxH5JMbSEeFGY= 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=pfK1hoOM; 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="pfK1hoOM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=efficios.com; s=smtpout1; t=1724946186; bh=xMzAlnLEy18dw7glsHU0KDwQnIYCh9ZrOtijFMxKevY=; h=From:To:Cc:Subject:Date:From; b=pfK1hoOMcVZfdgpoKmJzLh+cUEehk1/TIs0XWjXxDBZ3/bOceZ4d0la+k69cY/coS oBr88kQTwrdFg+NLcqWIlJJLpqQKeISMQvZRZUTbHsAtO5eTh69fekBAfLufHq6EXC Nm8fmmBrV35/l6X4z1I1o6ageWbnMRswX7zIMHWLfFjqOWu2h4oytg82nX9zHE79wH eyDXVIHAucedh0FDz+VC3s4+NWAgy1pGVMxxl20mpa7mhkxdKzKg8nMsF0LzLTDlsn kbNu8MhI7ncpD4DCNiXpddq5LATrAVfuHZ4pL6hQO5omEuEFm8+QHpnjoniLiGdHlo yq7ulQxyvCj/Q== 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 4Wvlt24jB4z1JjN; Thu, 29 Aug 2024 11:43:06 -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 63CB87B1; Thu, 29 Aug 2024 11:43:06 -0400 (EDT) From: Kienan Stewart To: Alejandro Colomar Cc: linux-man@vger.kernel.org, Kienan Stewart Subject: [PATCH 1/2] pipe.7: Note change to default pipe size when soft limit is exceeded Date: Thu, 29 Aug 2024 11:43:03 -0400 Message-ID: <20240829154304.2010305-1-kstewart@efficios.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit See upstream commit: commit 46c4c9d1beb7f5b4cec4dd90e7728720583ee348 Author: Alex Xu (Hello71) Date: Thu Aug 5 10:40:47 2021 -0400 pipe: increase minimum default pipe size to 2 pages 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 d1fad9974..c7f3fbb9e 100644 --- a/man/man7/pipe.7 +++ b/man/man7/pipe.7 @@ -223,6 +223,9 @@ So long as the total number of pages allocated to pipe buffers for this user is at this limit, individual pipes created by a user will be limited to one page, and attempts to increase a pipe's capacity will be denied. +As of Linux 5.14 the default capacity of individual pipes created +by a user is two pages instead. Users may reduce the pipe capacity +below this default value. .IP When the value of this limit is zero, no soft limit is applied. The default value for this file is 16384, -- 2.45.2