[PATCH 2/2] pipe.7: Reference potential lower default in pipe capacity section

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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@xxxxxxxxxxxx>
---
 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





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