Re: [PATCH 1/2] x86/mm: support memory-failure on 32-bits with SPARSEMEM

[David Hildenbrand]

On 03.11.25 04:35, Xie Yuanbin wrote:
> The historical commit d949f36f1865c60239d4 ("x86: Fix hwpoison code
> related build failure on 32-bit NUMAQ"), disabled x86_32's
> memory-failure when SPARSEMEM is enabled, because the number of
> page-flags are insufficient.
>
> The commit 09022bc196d23484a7a5 ("mm: remove PG_error") removes a
> page flag, so memory-failure can now be enable now.

In the meantime, we added PG_dropbehind

--
Cheers

David / dhildenb