1 files changed, 0 insertions, 118 deletions
diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
deleted file mode 100644
index 1e9da795767a..000000000000
--- a/arch/x86/mm/memtest.c
+++ /dev/null
@@ -1,118 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/init.h>
-#include <linux/pfn.h>
-#include <linux/memblock.h>
-
-static u64 patterns[] __initdata = {
-	/* The first entry has to be 0 to leave memtest with zeroed memory */
-	0,
-	0xffffffffffffffffULL,
-	0x5555555555555555ULL,
-	0xaaaaaaaaaaaaaaaaULL,
-	0x1111111111111111ULL,
-	0x2222222222222222ULL,
-	0x4444444444444444ULL,
-	0x8888888888888888ULL,
-	0x3333333333333333ULL,
-	0x6666666666666666ULL,
-	0x9999999999999999ULL,
-	0xccccccccccccccccULL,
-	0x7777777777777777ULL,
-	0xbbbbbbbbbbbbbbbbULL,
-	0xddddddddddddddddULL,
-	0xeeeeeeeeeeeeeeeeULL,
-	0x7a6c7258554e494cULL, /* yeah ;-) */
-};
-
-static void __init reserve_bad_mem(u64 pattern, u64 start_bad, u64 end_bad)
-{
-	printk(KERN_INFO "  %016llx bad mem addr %010llx - %010llx reserved\n",
-	       (unsigned long long) pattern,
-	       (unsigned long long) start_bad,
-	       (unsigned long long) end_bad);
-	memblock_reserve(start_bad, end_bad - start_bad);
-}
-
-static void __init memtest(u64 pattern, u64 start_phys, u64 size)
-{
-	u64 *p, *start, *end;
-	u64 start_bad, last_bad;
-	u64 start_phys_aligned;
-	const size_t incr = sizeof(pattern);
-
-	start_phys_aligned = ALIGN(start_phys, incr);
-	start = __va(start_phys_aligned);
-	end = start + (size - (start_phys_aligned - start_phys)) / incr;
-	start_bad = 0;
-	last_bad = 0;
-
-	for (p = start; p < end; p++)
-		*p = pattern;
-
-	for (p = start; p < end; p++, start_phys_aligned += incr) {
-		if (*p == pattern)
-			continue;
-		if (start_phys_aligned == last_bad + incr) {
-			last_bad += incr;
-			continue;
-		}
-		if (start_bad)
-			reserve_bad_mem(pattern, start_bad, last_bad + incr);
-		start_bad = last_bad = start_phys_aligned;
-	}
-	if (start_bad)
-		reserve_bad_mem(pattern, start_bad, last_bad + incr);
-}
-
-static void __init do_one_pass(u64 pattern, u64 start, u64 end)
-{
-	u64 i;
-	phys_addr_t this_start, this_end;
-
-	for_each_free_mem_range(i, NUMA_NO_NODE, &this_start, &this_end, NULL) {
-		this_start = clamp_t(phys_addr_t, this_start, start, end);
-		this_end = clamp_t(phys_addr_t, this_end, start, end);
-		if (this_start < this_end) {
-			printk(KERN_INFO "  %010llx - %010llx pattern %016llx\n",
-			       (unsigned long long)this_start,
-			       (unsigned long long)this_end,
-			       (unsigned long long)cpu_to_be64(pattern));
-			memtest(pattern, this_start, this_end - this_start);
-		}
-	}
-}
-
-/* default is disabled */
-static int memtest_pattern __initdata;
-
-static int __init parse_memtest(char *arg)
-{
-	if (arg)
-		memtest_pattern = simple_strtoul(arg, NULL, 0);
-	else
-		memtest_pattern = ARRAY_SIZE(patterns);
-
-	return 0;
-}
-
-early_param("memtest", parse_memtest);
-
-void __init early_memtest(unsigned long start, unsigned long end)
-{
-	unsigned int i;
-	unsigned int idx = 0;
-
-	if (!memtest_pattern)
-		return;
-
-	printk(KERN_INFO "early_memtest: # of tests: %d\n", memtest_pattern);
-	for (i = memtest_pattern-1; i < UINT_MAX; --i) {
-		idx = i % ARRAY_SIZE(patterns);
-		do_one_pass(patterns[idx], start, end);
-	}
-}