blob: a972ac4c7e7df05238e78b08e093cded47640fcd [file] [log] [blame]
* Copyright (C) 1994 Linus Torvalds
* Copyright (C) 2000 SuSE
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/alternative.h>
#include <asm/bugs.h>
#include <asm/processor.h>
#include <asm/mtrr.h>
#include <asm/cacheflush.h>
void __init check_bugs(void)
#if !defined(CONFIG_SMP)
pr_info("CPU: ");
* Make sure the first 2MB area is not mapped by huge pages
* There are typically fixed size MTRRs in there and overlapping
* MTRRs into large pages causes slow downs.
* Right now we don't do that with gbpages because there seems
* very little benefit for that case.
if (!direct_gbpages)
set_memory_4k((unsigned long)__va(0), 1);