CVE-2026-72169 kho: make sure scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES

In the Linux kernel, the following vulnerability has been resolved: kho: make sure scratch size is always aligned by CMAMINALIGNMENTBYTES When using scratchscale, the scratch sizes are rounded up to CMAMINALIGNMENTBYTES since they will be released as MIGRATECMA. This is not done when using fixed...