mip64: kexec: Probem in allocating resevr mem

[Simon Horman]

On Thu, Jan 28, 2010 at 06:36:07PM +0530, Vishnu Yadav wrote:
> Hi
> I am  not able to reserve the memory in mips 64 plateform for "crash kernel"
> 
> in below function of arch/mips/kernel/setup.c file of kernel code
> reserve_bootmem(start, size , flags)
> if i put flags= BOOTMEM_DEFAULT then this function succeeds but doesnt
> reserve  mem of crash kernel .. i verified it by seeing /proc/iomem
> 
> but if i put flags= BOOTMEM_EXCLUSIVE .. this function itself fails and
> again no memry is reseved.
> 
> 
> Pls suggest me how to resevre mem regio for "crash kernel" in mips 64. NOTE-
> I have applied kernel as well as user spaces patches for running kexec on
> mips64.

Does Maxim Uvarov's recent patch help you at all?

http://lists.infradead.org/pipermail/kexec/2010-February/003816.html