2 * Copyright (C) 1994 Linus Torvalds
3 * Copyright (C) 2000 SuSE
6 #include <linux/kernel.h>
7 #include <linux/init.h>
8 #include <asm/alternative.h>
10 #include <asm/processor.h>
12 #include <asm/cacheflush.h>
14 void __init check_bugs(void)
17 #if !defined(CONFIG_SMP)
19 print_cpu_info(&boot_cpu_data);
21 alternative_instructions();
24 * Make sure the first 2MB area is not mapped by huge pages
25 * There are typically fixed size MTRRs in there and overlapping
26 * MTRRs into large pages causes slow downs.
28 * Right now we don't do that with gbpages because there seems
29 * very little benefit for that case.
32 set_memory_4k((unsigned long)__va(0), 1);