Re: [PATCH v1 20/29] mm: convert "movable" flag in page->mapping to a page flag

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On 01.07.25 14:44, Lorenzo Stoakes wrote:
On Mon, Jun 30, 2025 at 03:00:01PM +0200, David Hildenbrand wrote:
Instead, let's use a page flag. As the page flag can result in
false-positives, glue it to the page types for which we
support/implement movable_ops page migration.

The flag reused by PageMovableOps() might be sued by other pages, so

I assume 'used' not 'sued' :P

:)


warning in case it is set in page_has_movable_ops() might result in
false-positive warnings.

Worth mentioning that it's PG_uptodate. Also probably worth putting a proviso
here that we're safe to use it for movable ops pages because it's used to track
file system state.

Will do.



Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Seems reasonable though, so:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>


Thanks!


--
Cheers,

David / dhildenb





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