Re: [PATCH] mm: convert partially_mapped set/clear operations to be atomic

Roman Gushchin <roman.gushchin@xxxxxxxxx> · Thu, 12 Dec 2024 18:07:46 +0000

On Thu, Dec 12, 2024 at 01:54:47PM +0000, Usama Arif wrote:
> Other page flags in the 2nd page, like PG_hwpoison and
> PG_anon_exclusive can get modified concurrently. Hence,
> partially_mapped flags need to be changed atomically.
> 
> Fixes: 8422acdc97ed ("mm: introduce a pageflag for partially mapped folios")
> Reported-by: David Hildenbrand <david@xxxxxxxxxx>
> Signed-off-by: Usama Arif <usamaarif642@xxxxxxxxx>

Acked-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>

Thanks!