See upstream commit:
commit 46c4c9d1beb7f5b4cec4dd90e7728720583ee348
Author: Alex Xu (Hello71) <alex_y_xu@xxxxxxxx>
Date: Thu Aug 5 10:40:47 2021 -0400
pipe: increase minimum default pipe size to 2 pages
Signed-off-by: Kienan Stewart <kstewart@xxxxxxxxxxxx>
---
Hi Alex,
I appreciate your feedback! I've made the changes requested.
Here is a range-diff against v1 and the new v2 patch.
thanks,
kienan
Range-diff against v1:
1: 7957cb086 < -: --------- pipe.7: Note change to default pipe size when soft limit is exceeded
2: b0aa965eb ! 1: 4074d2770 pipe.7: Note change to default pipe size when soft limit is exceeded
@@ man/man7/pipe.7: nor the
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.
+individual pipes created by a user will be limited to two pages
+(one page before Linux 5.14), and attempts to increase a pipe's
+capacity will be denied.
man/man7/pipe.7 | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/man/man7/pipe.7 b/man/man7/pipe.7
index d1fad9974..ba5b77df3 100644
--- a/man/man7/pipe.7
+++ b/man/man7/pipe.7
@@ -221,8 +221,9 @@ nor the
capability).
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.
+individual pipes created by a user will be limited to two pages
+(one page before Linux 5.14), and attempts to increase a pipe's
+capacity will be denied.
.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
