Re: [PATCH mm-unstable 5/5] mm/mempolicy: Convert migrate_page_add() to migrate_folio_add()

[Yin, Fengwei]

On 1/21/2023 3:41 AM, Vishal Moola wrote:
> My understanding of the purpose of this check is to avoid migrating
> pages shared with other processes. Meaning if a folio (or any pages
> within) are mapped to different processes we would want to skip that
> folio.

This is my understanding also. But check whether a large file folio is
mapped to different process is not very direct. Thanks.

Regards
Yin, Fengwei