x86: memtest: cleanup memtest function
Impact: code cleanup
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 827f940..01a72d6 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -16,6 +16,15 @@
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 @@
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 */