Re: [PATCH 06/10] mm: update coredump logic to correctly use bitmap mm flags

David Hildenbrand
2025-08-26T12:52:46Z

On 12.08.25 17:44, Lorenzo Stoakes wrote:
> The coredump logic is slightly different from other users in that it both
> stores mm flags and additionally sets and gets using masks.
>
> Since the MMF_DUMPABLE_* flags must remain as they are for uABI reasons,
> and of course these are within the first 32-bits of the flags, it is
> reasonable to provide access to these in the same fashion so this logic can
> all still keep working as it has been.
>
> Therefore, introduce coredump-specific helpers __mm_flags_get_dumpable()
> and __mm_flags_set_mask_dumpable() for this purpose, and update all core
> dump users of mm flags to use these.
>
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
> ---

Incl. fixup LGTM

Acked-by: David Hildenbrand <david@redhat.com>

--
Cheers

David / dhildenb