| commit | 272b9cad6e7a2f61b13cfcd7dde0010e02e9376e | |
| author | Yinghai Lu <yhlu.kernel.send@gmail.com> | |
| Fri, 21 Mar 2008 06:58:33 +0000 (20 23:58 -0700) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Thu, 17 Apr 2008 15:41:19 +0000 (17 17:41 +0200) | ||
| tree | ce0983f52c1a34e1b048a766812dc17607655748 | treesnapshot (tar.gz zip) |
| parent | a5ae1c372dc5bbaee905bcede524d7180d22b362 | commitdiff |
x86: early memtest to find bad ram
do simple memtest after init_memory_mapping
use find_e820_area_size to find all ram range that is not reserved.
and do some simple bits test to find some bad ram.
if find some bad ram, use reserve_early to exclude that range.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
do simple memtest after init_memory_mapping
use find_e820_area_size to find all ram range that is not reserved.
and do some simple bits test to find some bad ram.
if find some bad ram, use reserve_early to exclude that range.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| arch/x86/kernel/e820_64.c | diffblobblamehistory | |
| arch/x86/mm/init_64.c | diffblobblamehistory | |
| include/asm-x86/e820_64.h | diffblobblamehistory |