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    SubjectRe: [PATCH v5 1/3] mm/compaction: enable compacting >0 order folios.
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    On 2/14/24 23:04, Zi Yan wrote:
    > From: Zi Yan <ziy@nvidia.com>
    >
    > migrate_pages() supports >0 order folio migration and during compaction,
    > even if compaction_alloc() cannot provide >0 order free pages,
    > migrate_pages() can split the source page and try to migrate the base
    > pages from the split. It can be a baseline and start point for adding
    > support for compacting >0 order folios.
    >
    > Signed-off-by: Zi Yan <ziy@nvidia.com>
    > Suggested-by: Huang Ying <ying.huang@intel.com>
    > Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
    > Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com>
    > Tested-by: Yu Zhao <yuzhao@google.com>

    Reviewed-by: Vlastimil Babka <vbabka@suse.cz>

    > Cc: Adam Manzanares <a.manzanares@samsung.com>
    > Cc: David Hildenbrand <david@redhat.com>
    > Cc: Johannes Weiner <hannes@cmpxchg.org>
    > Cc: Kemeng Shi <shikemeng@huaweicloud.com>
    > Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
    > Cc: Luis Chamberlain <mcgrof@kernel.org>
    > Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
    > Cc: Mel Gorman <mgorman@techsingularity.net>
    > Cc: Ryan Roberts <ryan.roberts@arm.com>
    > Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
    > Cc: Vlastimil Babka <vbabka@suse.cz>
    > Cc: Yin Fengwei <fengwei.yin@intel.com>


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