[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v2 8/9] mm: introduce and use vm_normal_page_pud()
 
- To: David Hildenbrand <david@xxxxxxxxxx>
 
- From: Wei Yang <richard.weiyang@xxxxxxxxx>
 
- Date: Tue, 29 Jul 2025 07:52:38 +0000
 
- Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx,	xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx,	nvdimm@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>,	Juergen Gross <jgross@xxxxxxxx>,	Stefano Stabellini <sstabellini@xxxxxxxxxx>,	Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>,	Dan Williams <dan.j.williams@xxxxxxxxx>,	Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jan Kara <jack@xxxxxxx>,	Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>,	Christian Brauner <brauner@xxxxxxxxxx>,	Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>,	"Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>,	Vlastimil Babka <vbabka@xxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>,	Suren Baghdasaryan <surenb@xxxxxxxxxx>,	Michal Hocko <mhocko@xxxxxxxx>, Zi Yan <ziy@xxxxxxxxxx>,	Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>,	Nico Pache <npache@xxxxxxxxxx>, Ryan Roberts <ryan.roberts@xxxxxxx>,	Dev Jain <dev.jain@xxxxxxx>, Barry Song <baohua@xxxxxxxxxx>,	Jann Horn <jannh@xxxxxxxxxx>, Pedro Falcato <pfalcato@xxxxxxx>,	Hugh Dickins <hughd@xxxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>,	Lance Yang <lance.yang@xxxxxxxxx>
 
- Delivery-date: Tue, 29 Jul 2025 07:52:54 +0000
 
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
 
 
 
On Thu, Jul 17, 2025 at 01:52:11PM +0200, David Hildenbrand wrote:
>Let's introduce vm_normal_page_pud(), which ends up being fairly simple
>because of our new common helpers and there not being a PUD-sized zero
>folio.
>
>Use vm_normal_page_pud() in folio_walk_start() to resolve a TODO,
>structuring the code like the other (pmd/pte) cases. Defer
>introducing vm_normal_folio_pud() until really used.
>
>Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
>Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Wei Yang <richard.weiyang@xxxxxxxxx>
-- 
Wei Yang
Help you, Help me
 
 
    
     |