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| author | Yinghai Lu <yhlu.kernel.send@gmail.com> | 2008-03-22 01:56:19 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 15:41:21 (GMT) |
| commit | c64df70793a9c344874eb4af19f85e0662d2d3ee (patch) | |
| tree | df6ec69fed0d4f4e2192692558dc7dc20bfa9645 /arch/x86/mm/init_64.c | |
| parent | 9b967106da0357ef8b08847dce35584a04134f20 (diff) | |
| download | linux-c64df70793a9c344874eb4af19f85e0662d2d3ee.tar.xz | |
x86: memtest bootparam
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/init_64.c')
| -rw-r--r-- | arch/x86/mm/init_64.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 52f54ee..ae225c3 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -427,7 +427,10 @@ static void __init init_gbpages(void) direct_gbpages = 0; } -static void __init memtest(unsigned long start_phys, unsigned long size, unsigned pattern) +#ifdef CONFIG_MEMTEST_BOOTPARAM + +static void __init memtest(unsigned long start_phys, unsigned long size, + unsigned pattern) { unsigned long i; unsigned long *start; @@ -486,11 +489,12 @@ static void __init memtest(unsigned long start_phys, unsigned long size, unsigne } -static int __initdata memtest_pattern; +static int memtest_pattern __initdata = CONFIG_MEMTEST_BOOTPARAM_VALUE; + static int __init parse_memtest(char *arg) { if (arg) - memtest_pattern = simple_strtoul(arg, NULL, 0) + 1; + memtest_pattern = simple_strtoul(arg, NULL, 0); return 0; } @@ -501,8 +505,10 @@ static void __init early_memtest(unsigned long start, unsigned long end) unsigned long t_start, t_size; unsigned pattern; - if (memtest_pattern) - printk(KERN_INFO "early_memtest: pattern num %d", memtest_pattern); + if (!memtest_pattern) + return; + + printk(KERN_INFO "early_memtest: pattern num %d", memtest_pattern); for (pattern = 0; pattern < memtest_pattern; pattern++) { t_start = start; t_size = 0; @@ -523,9 +529,13 @@ static void __init early_memtest(unsigned long start, unsigned long end) t_start += t_size; } } - if (memtest_pattern) - printk(KERN_CONT "\n"); + printk(KERN_CONT "\n"); } +#else +static void __init early_memtest(unsigned long start, unsigned long end) +{ +} +#endif /* * Setup the direct mapping of the physical memory at PAGE_OFFSET. |