[PATCH] kexec: Fix add_usable_memory to use buf of type uint64_t.

[Simon Horman]

On Fri, Dec 06, 2013 at 12:55:30AM +0530, Mahesh J Salgaonkar wrote:
> From: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
> 
> A switchover from /kexec/arch/ppc64/fs2dt.c to common code under
> /kexec/fs2dt.c broke the kdump on ppc64. The function add_usable_memory()
> assumes that 'memory@*' node exports two 32bit values and fails
> to populate mem ranges correctly. On ppc64, 'memory@*' exports two 64bit
> values as below:
> 
> # hexdump /proc/device-tree/memory\@0/reg
> 0000000 0000 0000 0000 0000 0000 0000 0800 0000
> 0000010
> #
> 
> This patch fixes add_usable_memory() to use buf[2] of type uint64_t.
> 
> Signed-off-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>

Thanks, applied.