Contribution of PowerPC port (continuation of 422063005) - AIX Common1

src/base/sys-info.cc

Index: src/base/sys-info.cc
diff --git a/src/base/sys-info.cc b/src/base/sys-info.cc
index c665771b8b73c49d93bb44a20aa916560fa3d78c..617a88ea818c969865082d779be86fcbbef06153 100644
--- a/src/base/sys-info.cc
+++ b/src/base/sys-info.cc
@@ -88,6 +88,9 @@ int64_t SysInfo::AmountOfPhysicalMemory() {
 #elif V8_OS_NACL
   // No support for _SC_PHYS_PAGES, assume 2GB.
   return static_cast<int64_t>(1) << 31;
+#elif V8_OS_AIX
+  int64_t result = sysconf(_SC_AIX_REALMEM);
+  return static_cast<int64_t>(result) * 1024L;
 #elif V8_OS_POSIX
   long pages = sysconf(_SC_PHYS_PAGES);    // NOLINT(runtime/int)
   long page_size = sysconf(_SC_PAGESIZE);  // NOLINT(runtime/int)