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Diffstat (limited to 'arch/x86/mm/memtest.c')
-rw-r--r--arch/x86/mm/memtest.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c
index 605c8be0621..18d244f7020 100644
--- a/arch/x86/mm/memtest.c
+++ b/arch/x86/mm/memtest.c
@@ -40,23 +40,22 @@ static void __init reserve_bad_mem(u64 pattern, u64 start_bad, u64 end_bad)
static void __init memtest(u64 pattern, u64 start_phys, u64 size)
{
- u64 i, count;
- u64 *start;
+ u64 *p, *start, *end;
u64 start_bad, last_bad;
u64 start_phys_aligned;
- size_t incr;
+ const size_t incr = sizeof(pattern);
- incr = sizeof(pattern);
start_phys_aligned = ALIGN(start_phys, incr);
- count = (size - (start_phys_aligned - start_phys))/incr;
start = __va(start_phys_aligned);
+ end = start + (size - (start_phys_aligned - start_phys)) / incr;
start_bad = 0;
last_bad = 0;
- for (i = 0; i < count; i++)
- start[i] = pattern;
- for (i = 0; i < count; i++, start++, start_phys_aligned += incr) {
- if (*start == pattern)
+ 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;