8268014: Build failure on SUSE Linux Enterprise Server 11.4 (s390x) d…

…ue to 'SYS_get_mempolicy' was not declared

Reviewed-by: dholmes, mdoerr, mbaesken

src/hotspot/os/linux/os_linux.cpp

@@ -2968,10 +2968,12 @@ static bool numa_syscall_check() {
   // Especially in dockers, get_mempolicy is not allowed with the default configuration. So it's necessary
   // to check whether the syscalls are available. Currently, only get_mempolicy is checked since checking
   // others like mbind would cause unexpected side effects.
+#ifdef SYS_get_mempolicy
   int dummy = 0;
   if (syscall(SYS_get_mempolicy, &dummy, NULL, 0, (void*)&dummy, 3) == -1) {
     return false;
   }
+#endif
 
   return true;
 }