mmap for larger allocations, and these don't work well across dumped
systems. */
enum {
- initial_malloc_max = (1 << 16) - 1,
+ initial_malloc_max = (1 << 16) - 1 - XMALLOC_OVERRUN_CHECK_OVERHEAD,
charset_table_size_init = initial_malloc_max / sizeof (struct charset)
};