From db4a195744115f5255f463f70820fa7638ca6e17 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Wed, 26 Apr 2017 14:25:01 +0000
Subject: [PATCH] getpagesize(3) cannot fail.

The sysctl(HW_PAGESIZE) call cannot fail on FreeBSD kernels at least.
And even if it failed for some improbable reason, PAGE_SIZE is a safe
value to return.

Discussed with:	jilles
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
---
 lib/libc/gen/getpagesize.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/libc/gen/getpagesize.c b/lib/libc/gen/getpagesize.c
index a891bb2c316..cbb39927b65 100644
--- a/lib/libc/gen/getpagesize.c
+++ b/lib/libc/gen/getpagesize.c
@@ -69,7 +69,7 @@ getpagesize(void)
 	mib[1] = HW_PAGESIZE;
 	size = sizeof value;
 	if (sysctl(mib, nitems(mib), &value, &size, NULL, 0) == -1)
-		return (-1);
+		return (PAGE_SIZE);
 
 	return (value);
 }