From caadbdce240c43e3e46c82fce6c00eb7f01e1beb Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Tue, 15 Jul 2008 00:03:44 -0700 Subject: [PATCH] x86: enable memory tester support on 32-bit only supports memory below max_low_pfn. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- Documentation/kernel-parameters.txt | 2 +- arch/x86/Kconfig | 1 - 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 09ad7450647..70624ddd1df 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: range: 0,4 : pattern number default : 0 diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 96e0c2ebc38..03980cb0429 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 9689a5138e6..3eeab6d0065 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; } -- 2.41.1