mm: page_alloc: move free pages when converting block during isolation

When claiming a block during compaction isolation, move any remaining free
pages to the correct freelists as well, instead of stranding them on the
wrong list.  Otherwise, this encourages incompatible page mixing down the
line, and thus long-term fragmentation.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Johannes Weiner <[email protected]>
Reviewed-by: Zi Yan <[email protected]>
Reviewed-by: Vlastimil Babka <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Tested-by: "Huang, Ying" <[email protected]>
Tested-by: Baolin Wang <[email protected]>
Cc: David Hildenbrand <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions