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| author |   Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-30 16:20:54 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:16:14 +0200 |
| commit | 28bb22379513ca3cac9d13766064a219c5fc21a9 (patch) | |
| tree | e9b870bf99adbbb58e13c454a78366ff83292982 /include/asm-x86/e820.h | |
| parent | x86, paravirt, 64-bit: fix compile errors with IA32_EMULATION off (diff) | |
| download | linux-dev-28bb22379513ca3cac9d13766064a219c5fc21a9.tar.xz linux-dev-28bb22379513ca3cac9d13766064a219c5fc21a9.zip | |
x86: move reserve_setup_data to setup.c
Ying Huang would like setup_data to be reserved, but not included in the
no save range.
Here we try to modify the e820 table to reserve that range early.
also add that in early_res in case bootloader messes up with the ramdisk.
other solution would be
1. add early_res_to_highmem...
2. early_res_to_e820...
but they could reserve another type memory wrongly, if early_res has some
resource reserved early, and not needed later, but it is not removed from
early_res in time. Like the RAMDISK (already handled).
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: andi@firstfloor.org
Tested-by: Huang, Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/e820.h')
| -rw-r--r-- | include/asm-x86/e820.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h index f622685c9af8..45e904fe4076 100644 --- a/include/asm-x86/e820.h +++ b/include/asm-x86/e820.h @@ -44,6 +44,9 @@ #define E820_ACPI 3 #define E820_NVS 4 +/* reserved RAM used by kernel itself */ +#define E820_RESERVED_KERN 128 + #ifndef __ASSEMBLY__ struct e820entry { __u64 addr; /* start of memory segment */ |