Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH] x86: make memtest support 32bit | Date | Tue, 15 Jul 2008 00:03:44 -0700 |
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only support max_low_pfn below...
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
--- Documentation/kernel-parameters.txt | 2 +- arch/x86/Kconfig | 1 - arch/x86/mm/init_32.c | 3 +++ 3 files changed, 4 insertions(+), 2 deletions(-)
Index: linux-2.6/Documentation/kernel-parameters.txt =================================================================== --- linux-2.6.orig/Documentation/kernel-parameters.txt +++ linux-2.6/Documentation/kernel-parameters.txt @@ -1200,7 +1200,7 @@ and is between 256 and 4096 characters. 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> Index: linux-2.6/arch/x86/mm/init_32.c =================================================================== --- linux-2.6.orig/arch/x86/mm/init_32.c +++ linux-2.6/arch/x86/mm/init_32.c @@ -844,6 +844,9 @@ unsigned long __init_refok init_memory_m reserve_early(table_start << PAGE_SHIFT, table_end << PAGE_SHIFT, "PGTABLE"); + if (!after_init_bootmem) + early_memtest(start, end); + return end >> PAGE_SHIFT; } Index: linux-2.6/arch/x86/Kconfig =================================================================== --- linux-2.6.orig/arch/x86/Kconfig +++ linux-2.6/arch/x86/Kconfig @@ -448,7 +448,6 @@ config PARAVIRT_DEBUG config MEMTEST bool "Memtest" - depends on X86_64 default y help This option adds a kernel parameter 'memtest', which allows memtest
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