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From: Roman Gushchin <roman.gushchin@linux.dev>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@kernel.org>,
	Shakeel Butt <shakeel.butt@linux.dev>,
	Muchun Song <muchun.song@linux.dev>, Zi Yan <ziy@nvidia.com>,
	David Hildenbrand <david@redhat.com>
Subject: Re: [PATCH v2 3/5] mm: Remove references to folio in split_page_memcg()
Date: Tue, 18 Mar 2025 03:19:30 +0000	[thread overview]
Message-ID: <Z9jmQtwcUjylJpdT@google.com> (raw)
In-Reply-To: <20250314133617.138071-4-willy@infradead.org>

On Fri, Mar 14, 2025 at 01:36:13PM +0000, Matthew Wilcox wrote:
> We know that the passed in page is not part of a folio (it's a plain
> page allocated with GFP_ACCOUNT), so we should get rid of the misleading
> references to folios.
> 
> Introduce page_objcg() and page_set_objcg() helpers to make things more
> clear.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> Acked-by: Shakeel Butt <shakeel.butt@linux.dev>

Acked-by: Roman Gushchin <roman.gushchin@linux.dev>

Thanks!


  parent reply	other threads:[~2025-03-18  3:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-14 13:36 [PATCH v2 0/5] Minor memcg cleanups & prep for memdescs Matthew Wilcox (Oracle)
2025-03-14 13:36 ` [PATCH v2 1/5] mm: Separate folio_split_memcg_refs() from split_page_memcg() Matthew Wilcox (Oracle)
2025-03-14 21:49   ` David Hildenbrand
2025-03-14 23:15     ` Zi Yan
2025-03-15 23:02       ` David Hildenbrand
2025-03-18  3:14   ` Roman Gushchin
2025-03-14 13:36 ` [PATCH v2 2/5] mm: Simplify split_page_memcg() Matthew Wilcox (Oracle)
2025-03-18  3:17   ` Roman Gushchin
2025-03-14 13:36 ` [PATCH v2 3/5] mm: Remove references to folio in split_page_memcg() Matthew Wilcox (Oracle)
2025-03-14 21:53   ` David Hildenbrand
2025-03-18  3:19   ` Roman Gushchin [this message]
2025-03-14 13:36 ` [PATCH v2 4/5] mm: Simplify folio_memcg_charged() Matthew Wilcox (Oracle)
2025-03-18  3:22   ` Roman Gushchin
2025-03-14 13:36 ` [PATCH v2 5/5] mm: Remove references to folio in __memcg_kmem_uncharge_page() Matthew Wilcox (Oracle)
2025-03-18  3:24   ` Roman Gushchin
2025-03-14 21:53 ` [PATCH v2 0/5] Minor memcg cleanups & prep for memdescs David Hildenbrand

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