[src/trunk]: src/lib/libc/stdlib use getpagesize(3).

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1f95bb63c71d
branches:  trunk
changeset: 350507:1f95bb63c71d
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Jan 13 04:18:54 2017 +0000

description:
use getpagesize(3).

diffstat:

 lib/libc/stdlib/malloc.c |  10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)

diffs (31 lines):

diff -r e264e619e7ce -r 1f95bb63c71d lib/libc/stdlib/malloc.c
--- a/lib/libc/stdlib/malloc.c  Fri Jan 13 03:01:09 2017 +0000
+++ b/lib/libc/stdlib/malloc.c  Fri Jan 13 04:18:54 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: malloc.c,v 1.58 2017/01/12 02:00:42 christos Exp $     */
+/*     $NetBSD: malloc.c,v 1.59 2017/01/13 04:18:54 christos Exp $     */
 
 /*
  * ----------------------------------------------------------------------------
@@ -93,7 +93,7 @@
 # include <sys/cdefs.h>
 # include "extern.h"
 # if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: malloc.c,v 1.58 2017/01/12 02:00:42 christos Exp $");
+__RCSID("$NetBSD: malloc.c,v 1.59 2017/01/13 04:18:54 christos Exp $");
 # endif /* LIBC_SCCS and not lint */
 # include <reentrant.h>
 # ifdef _REENTRANT
@@ -458,11 +458,7 @@
     /*
      * Compute page-size related variables.
      */
-#ifdef _LIBC
-    malloc_pagesize = (size_t)sysconf(_SC_PAGESIZE);
-#else
-    malloc_pagesize = 4096;
-#endif
+    malloc_pagesize = getpagesize();
     malloc_pagemask = malloc_pagesize - 1;
     for (malloc_pageshift = 0;
         (1UL << malloc_pageshift) != malloc_pagesize;