Re: [PATCH 1/2] filemap: Add a mempolicy argument to filemap_alloc_folio()

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Shivank Garg <shivankg@xxxxxxx>, seanjc@xxxxxxxxxx, david@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, shuah@xxxxxxxxxx, pbonzini@xxxxxxxxxx, brauner@xxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH 1/2] filemap: Add a mempolicy argument to filemap_alloc_folio()
From: Vlastimil Babka <vbabka@xxxxxxx>
Date: Mon, 23 Jun 2025 09:19:56 +0200
Cc: ackerleytng@xxxxxxxxxx, paul@xxxxxxxxxxxxxx, jmorris@xxxxxxxxx, serge@xxxxxxxxxx, pvorel@xxxxxxx, bfoster@xxxxxxxxxx, tabba@xxxxxxxxxx, vannapurve@xxxxxxxxxx, chao.gao@xxxxxxxxx, bharata@xxxxxxx, nikunj@xxxxxxx, michael.day@xxxxxxx, yan.y.zhao@xxxxxxxxx, Neeraj.Upadhyay@xxxxxxx, thomas.lendacky@xxxxxxx, michael.roth@xxxxxxx, aik@xxxxxxx, jgg@xxxxxxxxxx, kalyazin@xxxxxxxxxx, peterx@xxxxxxxxxx, jack@xxxxxxx, rppt@xxxxxxxxxx, hch@xxxxxxxxxxxxx, cgzones@xxxxxxxxxxxxxx, ira.weiny@xxxxxxxxx, rientjes@xxxxxxxxxx, roypat@xxxxxxxxxxxx, ziy@xxxxxxxxxx, matthew.brost@xxxxxxxxx, joshua.hahnjy@xxxxxxxxx, rakie.kim@xxxxxx, byungchul@xxxxxx, gourry@xxxxxxxxxx, kent.overstreet@xxxxxxxxx, ying.huang@xxxxxxxxxxxxxxxxx, apopple@xxxxxxxxxx, chao.p.peng@xxxxxxxxx, amit@xxxxxxxxxxxxx, ddutile@xxxxxxxxxx, dan.j.williams@xxxxxxxxx, ashish.kalra@xxxxxxx, gshan@xxxxxxxxxx, jgowans@xxxxxxxxxx, pankaj.gupta@xxxxxxx, papaluri@xxxxxxx, yuzhao@xxxxxxxxxx, suzuki.poulose@xxxxxxx, quic_eberman@xxxxxxxxxxx, aneeshkumar.kizhakeveetil@xxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, linux-coco@xxxxxxxxxxxxxxx
In-reply-to: <20250620143502.3055777-1-willy@infradead.org>
User-agent: Mozilla Thunderbird

On 6/20/25 16:34, Matthew Wilcox (Oracle) wrote:
> guest_memfd needs to support memory policies so add an argument
> to filemap_alloc_folio().  All existing users pass NULL, the first
> user will show up later in this series.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>

References:
- [RFC PATCH v8 3/7] mm/filemap: Add mempolicy support to the filemap layer
  - From: Shivank Garg
- [PATCH 1/2] filemap: Add a mempolicy argument to filemap_alloc_folio()
  - From: Matthew Wilcox (Oracle)

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