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x86: memtest: cleanup memtest function

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Impact: code cleanup

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Andreas Herrmann 2009-02-25 11:28:07 +01:00 committed by Ingo Molnar
parent 6d74171bf7
commit 7dad169e57
1 changed files with 19 additions and 18 deletions
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37
arch/x86/mm/memtest.c
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@ -16,6 +16,15 @@ static u64 patterns[] __initdata = {
0xaaaaaaaaaaaaaaaaULL,
};
static void __init reserve_bad_mem(u64 pattern, unsigned long start_bad,
unsigned long end_bad)
{
printk(KERN_CONT "\n %016llx bad mem addr "
"%010lx - %010lx reserved",
(unsigned long long) pattern, start_bad, end_bad);
reserve_early(start_bad, end_bad, "BAD RAM");
}
static void __init memtest(unsigned long start_phys, unsigned long size,
u64 pattern)
{
@ -37,26 +46,18 @@ static void __init memtest(unsigned long start_phys, unsigned long size,
for (i = 0; i < count; i++)
start[i] = pattern;
for (i = 0; i < count; i++, start++, start_phys_aligned += incr) {
if (*start != pattern) {
if (start_phys_aligned == last_bad + incr) {
last_bad += incr;
} else {
if (start_bad) {
printk(KERN_CONT "\n %016llx bad mem addr %010lx - %010lx reserved",
(unsigned long long) pattern,
start_bad, last_bad + incr);
reserve_early(start_bad, last_bad + incr, "BAD RAM");
}
start_bad = last_bad = start_phys_aligned;
}
if (*start == 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) {
printk(KERN_CONT "\n %016llx bad mem addr %010lx - %010lx reserved",
(unsigned long long) pattern, start_bad,
last_bad + incr);
reserve_early(start_bad, last_bad + incr, "BAD RAM");
}
if (start_bad)
reserve_bad_mem(pattern, start_bad, last_bad + incr);
}
/* default is disabled */