kexec,x86: Use macro CRASH_MAX_MEMMAP_NR for clarification

For the allocation, using CRASH_MAX_MEMMAP_NR instead of KEXEC_MAX_SEGMENTS + 1
seems more understandable.

Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
[horms@verge.net.au: Applied by hand due to conflict]
Signed-off-by: Simon Horman <horms@verge.net.au>
1 file changed