From d0381a7fa3f50d1042a2372eb23b6f03299aaaa5 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Wed, 9 Jul 1997 00:07:19 +0000
Subject: [PATCH] (main) [__NetBSD__]: Round up new stack limit to page bdry.

---
 src/emacs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/emacs.c b/src/emacs.c
index e29724a38d7..43f8d27b3ea 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -584,6 +584,13 @@ main (argc, argv, envp)
       long newlim;
       /* Approximate the amount regex.c needs, plus some more.  */
       newlim = 800000 * sizeof (char *);
+#ifdef __NetBSD__
+      /* NetBSD (at least NetBSD 1.2G and former) has a bug in its
+       stack allocation routine for new process that the allocation
+       fails if stack limit is not on page boundary.  So, round up the
+       new limit to page boundary.  */
+      newlim = (newlim + getpagesize () - 1) / getpagesize () * getpagesize();
+#endif
       if (newlim > rlim.rlim_max)
 	newlim = rlim.rlim_max;
       if (rlim.rlim_cur < newlim)
-- 
2.39.2