On Tue, 2007-03-06 at 09:56, Horms wrote:
> Hi,
>
> I am currently looking over the code that places the crashdump
> region into /proc/iomem, and the code that determines its base
> address if it is not passed on the kernel comamnd. It seems to me that
> the current code allows the crashkernel to be placed incide a
> /proc/iomem region of any type. Is this behaviour correct?
> If not, should it be restricted to "System RAM" regions?
>
> --
> Horms
> H: http://www.vergenet.net/~horms/
> W: http://www.valinux.co.jp/en/
>
Please review the patch.
Thanks
Zou Nan hai
Signed-off-by: Zou Nan hai <nanhai.zou@xxxxxxxxx>
--- a/arch/ia64/kernel/efi.c 2007-02-27 00:42:06.000000000 -0500
+++ b/arch/ia64/kernel/efi.c 2007-03-05 22:09:40.000000000 -0500
@@ -1154,7 +1154,7 @@ kdump_find_rsvd_region (unsigned long si
for (p = efi_map_start; p < efi_map_end; p += efi_desc_size) {
md = p;
- if (!efi_wb(md))
+ if (!is_memory_available(md))
continue;
start = ALIGN(md->phys_addr, alignment);
end = efi_md_end(md);
-
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