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Note that getpagesize(3) can return -1 on failure

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MFC after:	5 weeks
Sponsored by:	Dell EMC Isilon
This commit is contained in:
Enji Cooper 2017-04-23 03:17:32 +00:00
parent 67b1f73f1e
commit 3c3e9e1035
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=317315
1 changed files with 4 additions and 1 deletions
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lib/libc/gen/getpagesize.3
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@ -28,7 +28,7 @@
.\" @(#)getpagesize.3 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd June 4, 1993
.Dd April 22, 2017
.Dt GETPAGESIZE 3
.Os
.Sh NAME
@ -51,6 +51,9 @@ management calls.
The page size is a system
page size and may not be the same as the underlying
hardware page size.
.Sh RETURN VALUES
.Nm
returns the number of bytes in a page on success, -1 on failure.
.Sh SEE ALSO
.Xr pagesize 1 ,
.Xr sbrk 2