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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-26 07:44:56 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 11:10:42 (GMT) |
| commit | b9d19f4a51447930db002409945ad40a7a373cb0 (patch) | |
| tree | 30e954d9d23f71eb9bc3b462c5ffde78b11588f4 /arch/x86 | |
| parent | 383bc5cecc2ed0b8f44a25488660b03030425ef7 (diff) | |
| download | linux-b9d19f4a51447930db002409945ad40a7a373cb0.tar.xz | |
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 <mingo@elte.hu>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/setup_32.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index 4b953dc..392812d 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(); |