From 3a9cdc513257af5364923bd027aec0fa27a337cd Mon Sep 17 00:00:00 2001
From: Edward Tomasz Napierala <trasz@FreeBSD.org>
Date: Mon, 19 Nov 2018 18:23:17 +0000
Subject: [PATCH] Make sysconf(_SC_PAGESIZE) return the value from
 getpagesize(3). That avoids a syscall - getpagesize(3) gets the value from
 the ELF aux strings.

Reviewed by:	kib
MFC after:	2 weeks
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D17989
---
 lib/libc/gen/sysconf.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lib/libc/gen/sysconf.c b/lib/libc/gen/sysconf.c
index c33c73dfb27a..26bb9043ed3c 100644
--- a/lib/libc/gen/sysconf.c
+++ b/lib/libc/gen/sysconf.c
@@ -291,10 +291,7 @@ sysconf(int name)
 		mib[1] = CTL_P1003_1B_MQ_OPEN_MAX;
 		goto yesno;
 	case _SC_PAGESIZE:
-		defaultresult = getpagesize();
-		mib[0] = CTL_P1003_1B;
-		mib[1] = CTL_P1003_1B_PAGESIZE;
-		goto yesno;
+		return (getpagesize());
 	case _SC_RTSIG_MAX:
 		mib[0] = CTL_P1003_1B;
 		mib[1] = CTL_P1003_1B_RTSIG_MAX;