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--- ../pr/src/misc/prsystem.c~
+++ ../pr/src/misc/prsystem.c
@@ -24,7 +24,7 @@
/* BSD-derived systems use sysctl() to get the number of processors */
#if defined(BSDI) || defined(FREEBSD) || defined(NETBSD) \
- || defined(OPENBSD) || defined(DARWIN)
+ || defined(OPENBSD) || defined(DRAGONFLY) || defined(DARWIN)
#define _PR_HAVE_SYSCTL
#include <sys/param.h>
#include <sys/sysctl.h>
@@ -292,15 +292,23 @@ PR_IMPLEMENT(PRUint64) PR_GetPhysicalMemorySize(void)
if (pageSize >= 0 && pageCount >= 0)
bytes = (PRUint64) pageSize * pageCount;
-#elif defined(NETBSD) || defined(OPENBSD)
-
+#elif defined(NETBSD) || defined(OPENBSD) \
+ || defined(FREEBSD) || defined(DRAGONFLY)
int mib[2];
int rc;
+#ifdef HW_PHYSMEM64
uint64_t memSize;
+#else
+ unsigned long memSize;
+#endif
size_t len = sizeof(memSize);
mib[0] = CTL_HW;
+#ifdef HW_PHYSMEM64
mib[1] = HW_PHYSMEM64;
+#else
+ mib[1] = HW_PHYSMEM;
+#endif
rc = sysctl(mib, 2, &memSize, &len, NULL, 0);
if (-1 != rc) {
bytes = memSize;
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