Re: [PATCH v14 062/138] mm/migrate: Add folio_migrate_copy()

From: Vlastimil Babka
Date: Thu Aug 12 2021 - 07:56:36 EST


On 7/15/21 5:35 AM, Matthew Wilcox (Oracle) wrote:
> This is the folio equivalent of migrate_page_copy(), which is retained
> as a wrapper for filesystems which are not yet converted to folios.
> Also convert copy_huge_page() to folio_copy().
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Acked-by: Vlastimil Babka <vbabka@xxxxxxx>

The way folio_copy() avoids cond_resched() for single page would IMHO deserve a
comment though, so it's not buried only in this thread.