$NetBSD: patch-ek,v 1.1 2009/01/05 09:58:36 martin Exp $

# Reported upstream as https://bugzilla.mozilla.org/show_bug.cgi?id=471179

--- nsprpub/pr/src/misc/prsystem.c.orig	2006-01-19 23:11:59.000000000 +0100
+++ nsprpub/pr/src/misc/prsystem.c	2008-12-26 13:01:50.000000000 +0100
@@ -290,6 +290,20 @@ PR_IMPLEMENT(PRUint64) PR_GetPhysicalMem
     long pageCount = sysconf(_SC_PHYS_PAGES);
     bytes = (PRUint64) pageSize * pageCount;
 
+#elif defined(NETBSD)
+
+    int mib[2];
+    int rc;
+    uint64_t memSize;
+    size_t len = sizeof(memSize);
+
+    mib[0] = CTL_HW;
+    mib[1] = HW_PHYSMEM64;
+    rc = sysctl( mib, 2, &memSize, &len, NULL, 0 );
+    if ( -1 != rc )  {
+        bytes = memSize;
+    }
+
 #elif defined(HPUX)
 
     struct pst_static info;