[Resend][Patch v2] kexec: increase max of kexec segments and use dynamic allocation

[Neil Horman]

On Fri, Aug 13, 2010 at 01:38:54AM -0400, Amerigo Wang wrote:
> 
> Currently KEXEC_SEGMENT_MAX is only 16 which is too small for machine with
> many memory ranges.  When hibernate on a machine with disjoint memory we do
> need one segment for each memory region. Increase this hard limit to 16K
> which is reasonably large.
> 
> And change ->segment from a static array to a dynamically allocated memory.
> 
> Cc: Neil Horman <nhorman at redhat.com>
> Cc: Vivek Goyal <vgoyal at redhat.com>
> Cc: huang ying <huang.ying.caritas at gmail.com>
> Cc: Eric W. Biederman <ebiederm at xmission.com>
> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> Cc: Paul Mackerras <paulus at samba.org>
> Signed-off-by: WANG Cong <amwang at redhat.com>
> 
Concur with Simon

Reviewed-by: Neil Horman <nhorman at tuxdriver.com>