diff options
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/memtest.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/arch/x86/mm/memtest.c b/arch/x86/mm/memtest.c index 827f94044cf..01a72d6825b 100644 --- a/arch/x86/mm/memtest.c +++ b/arch/x86/mm/memtest.c @@ -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 */ |