Re: [PATCH v2 3/5] mm: Remove references to folio in split_page_memcg()

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 3/5] mm: Remove references to folio in split_page_memcg()
From: David Hildenbrand <david@xxxxxxxxxx>
Date: Fri, 14 Mar 2025 22:53:36 +0100
Cc: linux-mm@xxxxxxxxx, Johannes Weiner <hannes@xxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, Roman Gushchin <roman.gushchin@xxxxxxxxx>, Shakeel Butt <shakeel.butt@xxxxxxxxx>, Muchun Song <muchun.song@xxxxxxxxx>, Zi Yan <ziy@xxxxxxxxxx>
In-reply-to: <20250314133617.138071-4-willy@infradead.org>
Organization: Red Hat
References: <20250314133617.138071-1-willy@infradead.org> <20250314133617.138071-4-willy@infradead.org>
User-agent: Mozilla Thunderbird

On 14.03.25 14:36, Matthew Wilcox (Oracle) wrote:

We know that the passed in page is not part of a folio

It would be great if we would have a way to assert that. ... but I'mafraid that has to wait for the memdesc split.


--
Cheers,

David / dhildenb

References:
- [PATCH v2 0/5] Minor memcg cleanups & prep for memdescs
  - From: Matthew Wilcox (Oracle)
- [PATCH v2 3/5] mm: Remove references to folio in split_page_memcg()
  - From: Matthew Wilcox (Oracle)

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