proper virtual base, remove uneeded sysconf things

src/common/host_memory.cpp

@@ -442,7 +442,7 @@ static void* ChooseVirtualBase(size_t virtual_size) {
 #else
 
 static void* ChooseVirtualBase(size_t size) {
-#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__) || defined(__sun__) || defined(__HAIKU__) || defined(__managarm__) || defined(__AIX__)
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__) || defined(__sun__) || defined(__HAIKU__) || defined(__managarm__) || defined(__AIX__) || defined(__OPENORBIS__)
     void* virtual_base = mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER, -1, 0);
     if (virtual_base != MAP_FAILED)
         return virtual_base;

src/common/memory_detect.cpp

@@ -46,8 +46,6 @@ static MemoryInfo Detect() {
     sysctlbyname("vm.swapusage", &vmusage, &sizeof_vmusage, nullptr, 0);
     mem_info.TotalPhysicalMemory = ramsize;
     mem_info.TotalSwapMemory = vmusage.xsu_total;
-#elif defined(__OPENORBIS__)
-    mem_info.TotalPhysicalMemory = mem_info.TotalSwapMemory = 0;
 #elif defined(__FreeBSD__)
     u_long physmem, swap_total;
     std::size_t sizeof_u_long = sizeof(u_long);