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76f134aabb
Added a new command 'mthp_khugepaged' for mTHP collapse, along with the '-c' parameter to specify the collapse order. Additionally, added mTHP collapse test cases for 'collapse_full', 'collapse_empty', and 'collapse_single_mthp' for anonymous folios. All khugepaged test cases passed. Link: https://lore.kernel.org/f260058520214a9611922a96326bc54ba282fb73.1785985999.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Nico Pache (Red Hat) <nico.pache@linux.dev> Tested-by: Nico Pache (Red Hat) <nico.pache@linux.dev> Acked-by: Kiryl Shutsemau (Meta) <kas@kernel.org> Acked-by: Zi Yan <ziy@nvidia.com> Cc: Barry Song <baohua@kernel.org> Cc: David Hildenbrand <david@kernel.org> Cc: Dev Jain <dev.jain@arm.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Liam R. Howlett <liam@infradead.org> Cc: Lorenzo Stoakes <ljs@kernel.org> Cc: Ryan Roberts <ryan.roberts@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>