From: Kienan Stewart <kstewart@efficios.com>
To: Alejandro Colomar <alx@kernel.org>
Cc: linux-man@vger.kernel.org, Kienan Stewart <kstewart@efficios.com>
Subject: [PATCH 2/2] pipe.7: Reference potential lower default in pipe capacity section
Date: Thu, 29 Aug 2024 11:43:04 -0400 [thread overview]
Message-ID: <20240829154304.2010305-2-kstewart@efficios.com> (raw)
In-Reply-To: <20240829154304.2010305-1-kstewart@efficios.com>
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 <kstewart@efficios.com>
---
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
next prev parent reply other threads:[~2024-08-29 15:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-29 15:43 [PATCH 1/2] pipe.7: Note change to default pipe size when soft limit is exceeded Kienan Stewart
2024-08-29 15:43 ` Kienan Stewart [this message]
2024-08-29 17:30 ` [PATCH 2/2] pipe.7: Reference potential lower default in pipe capacity section Alejandro Colomar
2024-08-29 17:24 ` [PATCH 1/2] pipe.7: Note change to default pipe size when soft limit is exceeded Alejandro Colomar
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