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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-07-15 11:03:44 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 16:11:58 +0400 |
| commit | caadbdce240c43e3e46c82fce6c00eb7f01e1beb (patch) | |
| tree | 58881abbeb4e88b17debecd2b23e1a9b8c441143 | |
| parent | 1f067167a83d1c7f80437fd1d32b55508aaca009 (diff) | |
| download | linux-caadbdce240c43e3e46c82fce6c00eb7f01e1beb.tar.xz | |
x86: enable memory tester support on 32-bit
only supports memory below max_low_pfn.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | Documentation/kernel-parameters.txt | 2 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/mm/init_32.c | 3 |
3 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 09ad7450647b..70624ddd1df3 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1206,7 +1206,7 @@ and is between 256 and 4096 characters. It is defined in the file or memmap=0x10000$0x18690000 - memtest= [KNL,X86_64] Enable memtest + memtest= [KNL,X86] Enable memtest Format: <integer> range: 0,4 : pattern number default : 0 <disable> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 96e0c2ebc388..03980cb04291 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -447,7 +447,6 @@ config PARAVIRT_DEBUG config MEMTEST bool "Memtest" - depends on X86_64 help This option adds a kernel parameter 'memtest', which allows memtest to be set. diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 9689a5138e64..3eeab6d0065f 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -844,6 +844,9 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, reserve_early(table_start << PAGE_SHIFT, table_end << PAGE_SHIFT, "PGTABLE"); + if (!after_init_bootmem) + early_memtest(start, end); + return end >> PAGE_SHIFT; } |