pipe.7: Since Linux 4.9, pipe-max-size is ceiling for the default pipe capacity

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-02-08 08:18:00 +01:00
parent de694c9840
commit 3d8988755f
1 changed files with 5 additions and 0 deletions

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@ -196,6 +196,11 @@ Attempts to set a limit less than the page size cause
.BR write (2)
to fail with the error
.BR EINVAL .
Since Linux 4.9,
.\" commit 086e774a57fba4695f14383c0818994c0b31da7c
the value on this file also acts as a ceiling on the default capacity
of a new pipe or newly opened FIFO.
.TP
.IR /proc/sys/fs/pipe-user-pages-hard " (since Linux 4.5)"
.\" commit 759c01142a5d0f364a462346168a56de28a80f52