kexec: add max_size to memory_ranges

Many implementations statically allocate the memory range array, which
therefore will have a maximum allowable size.  Add this information to
the memory_ranges structure, so we don't have to carry it around.

Reviewed-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Simon Horman <horms@verge.net.au>

1 files changed, 1 insertions, 0 deletions

diff --git a/kexec/kexec.h b/kexec/kexec.h
index c02ac8f..9194f1c 100644
--- a/kexec/kexec.h
+++ b/kexec/kexec.h
@@ -142,6 +142,7 @@ struct memory_range {
 
 struct memory_ranges {
         unsigned int size;
+	unsigned int max_size;
         struct memory_range *ranges;
 };