From b9d19f4a51447930db002409945ad40a7a373cb0 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 26 Jun 2008 00:44:56 -0700 Subject: [PATCH] x86: fix memory setup bug interesting... [ 0.000000] mapped low ram: 0 - 20000000 [ 0.000000] low ram: 00000000 - 1fff0000 [ 0.000000] bootmap 00002000 - 00006000 max_pfn_mapped > max_low_pfn? it seems init_memory_mapping reveals an old bug. please check attached test patch. Signed-off-by: Ingo Molnar --- arch/x86/kernel/setup_32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index 4b953dc938..392812d3c6 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -427,7 +427,7 @@ void __init setup_arch(char **cmdline_p) find_low_pfn_range(); /* max_pfn_mapped is updated here */ - init_memory_mapping(0, (max_low_pfn << PAGE_SHIFT)); + max_pfn_mapped = init_memory_mapping(0, (max_low_pfn << PAGE_SHIFT)); reserve_initrd(); -- 2.39.5