kexec_locate_mem_hole will be used by the PowerPC kexec_file_load
implementation to find free memory for the purgatory stack.
Signed-off-by: NThiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Acked-by: NDave Young <dyoung@redhat.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>