From: Jakub Kicinski <kuba@kernel.org>
To: Byungchul Park <byungchul@sk.com>
Cc: linux-mm@kvack.org, akpm@linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
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dtatulea@nvidia.com
Subject: Re: [PATCH v5] mm: introduce a new page type for page pool in page type
Date: Thu, 19 Mar 2026 16:31:31 -0700 [thread overview]
Message-ID: <20260319163131.2f160a5d@kernel.org> (raw)
In-Reply-To: <20260316223113.20097-1-byungchul@sk.com>
On Tue, 17 Mar 2026 07:31:13 +0900 Byungchul Park wrote:
> Currently, the condition 'page->pp_magic == PP_SIGNATURE' is used to
> determine if a page belongs to a page pool. However, with the planned
> removal of @pp_magic, we should instead leverage the page_type in struct
> page, such as PGTY_netpp, for this purpose.
>
> Introduce and use the page type APIs e.g. PageNetpp(), __SetPageNetpp(),
> and __ClearPageNetpp() instead, and remove the existing APIs accessing
> @pp_magic e.g. page_pool_page_is_pp(), netmem_or_pp_magic(), and
> netmem_clear_pp_magic().
>
> Plus, add @page_type to struct net_iov at the same offset as struct page
> so as to use the page_type APIs for struct net_iov as well. While at it,
> reorder @type and @owner in struct net_iov to avoid a hole and
> increasing the struct size.
Acked-by: Jakub Kicinski <kuba@kernel.org>
next prev parent reply other threads:[~2026-03-19 23:31 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-24 5:13 [PATCH v4] mm: introduce a new page type for page pool in page type Byungchul Park
2026-02-25 7:19 ` Mike Rapoport
2026-02-26 18:49 ` Johannes Weiner
2026-03-16 22:29 ` Byungchul Park
2026-03-16 22:31 ` [PATCH v5] " Byungchul Park
2026-03-17 9:20 ` Jesper Dangaard Brouer
2026-03-17 10:03 ` Ilias Apalodimas
2026-03-17 11:06 ` Dragos Tatulea
2026-03-19 23:31 ` Jakub Kicinski
2026-03-18 2:02 ` Byungchul Park
2026-03-20 11:44 ` Jesper Dangaard Brouer
2026-03-23 12:16 ` Ilias Apalodimas
2026-03-19 23:31 ` Jakub Kicinski [this message]
2026-05-13 9:00 ` [PATCH v4] " Dragos Tatulea
2026-05-13 9:12 ` Vlastimil Babka (SUSE)
2026-05-13 9:26 ` Pedro Falcato
2026-05-13 9:36 ` David Hildenbrand (Arm)
2026-05-13 12:06 ` Dragos Tatulea
2026-05-13 12:11 ` David Hildenbrand (Arm)
2026-05-14 8:54 ` Byungchul Park
2026-05-14 9:24 ` Dragos Tatulea
2026-05-15 0:01 ` Byungchul Park
2026-05-13 9:34 ` David Hildenbrand (Arm)
2026-05-13 12:18 ` Byungchul Park
2026-05-13 12:29 ` David Hildenbrand (Arm)
2026-05-13 12:39 ` Byungchul Park
2026-05-13 13:02 ` David Hildenbrand (Arm)
2026-05-13 13:26 ` Byungchul Park
2026-05-13 9:42 ` Lorenzo Stoakes
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