mm: handle large folios in free_unref_folios()

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Call folio_undo_large_rmappable() if needed.  free_unref_page_prepare()
destroys the ability to call folio_order(), so stash the order in
folio->private for the benefit of the second loop.

Link: https://lkml.kernel.org/r/20240227174254.710559-10-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Matthew Wilcox (Oracle) 2024-02-27 17:42:43 +00:00 • committed by Andrew Morton

parent f1ee018bae

commit 31b2ff82ae

1 changed files with 17 additions and 8 deletions

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mm/page_alloc.c

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