x86/kaslr: Eliminate 'start_orig' local variable from __process_mem_region()

				 unsigned long image_size)

{

	struct mem_vector region, overlap;

	unsigned long start_orig, end;

	unsigned long end;

	/* Ignore entries entirely below our minimum. */

	if (entry->start + entry->size < minimum)

		return;

	region.start = entry->start;

	region.size = end - entry->start;

	/* Give up if slot area array is full. */

	while (slot_area_index < MAX_SLOT_AREA) {

		start_orig = region.start;

		/* Potentially raise address to minimum location. */

		if (region.start < minimum)

			region.start = minimum;

			return;

		/* Reduce size by any delta from the original address. */

		region.size -= region.start - start_orig;

		region.size = end - region.start;

		/* Return if region can't contain decompressed kernel */

		if (region.size < image_size)

			return;

		/* Clip off the overlapping region and start over. */

		region.size -= overlap.start - region.start + overlap.size;

		region.start = overlap.start + overlap.size;

	}

}