Re: [PATCH] mm/highmem: refuse to copy hwpoisoned folios in the !copy_mc fallbacks

[Yuanhe Shu]

On 10/26/26 12:10, Garg, Shivank wrote:
> Should we use is_page_hwpoison() instead? It looks simpler and more
> reliable.

Agreed.  The next version checks is_page_hwpoison(from) before
and after the copy, so the race is refused at the first check and a
flag landing during the copy at the second.

-- 
Yuanhe