linux-kernel - Re: [PATCH v7 12/20] mm/memory: Enhance insert_page_into_pte

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Message-ID: <48dec767-3e14-480e-a3df-1298315894f6@redhat.com>
Date: Mon, 10 Feb 2025 19:39:30 +0100
From: David Hildenbrand <david@...hat.com>
To: Alistair Popple <apopple@...dia.com>, akpm@...ux-foundation.org,
 dan.j.williams@...el.com, linux-mm@...ck.org
Cc: Alison Schofield <alison.schofield@...el.com>, lina@...hilina.net,
 zhang.lyra@...il.com, gerald.schaefer@...ux.ibm.com,
 vishal.l.verma@...el.com, dave.jiang@...el.com, logang@...tatee.com,
 bhelgaas@...gle.com, jack@...e.cz, jgg@...pe.ca, catalin.marinas@....com,
 will@...nel.org, mpe@...erman.id.au, npiggin@...il.com,
 dave.hansen@...ux.intel.com, ira.weiny@...el.com, willy@...radead.org,
 djwong@...nel.org, tytso@....edu, linmiaohe@...wei.com, peterx@...hat.com,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
 nvdimm@...ts.linux.dev, linux-cxl@...r.kernel.org,
 linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
 linux-xfs@...r.kernel.org, jhubbard@...dia.com, hch@....de,
 david@...morbit.com, chenhuacai@...nel.org, kernel@...0n.name,
 loongarch@...ts.linux.dev
Subject: Re: [PATCH v7 12/20] mm/memory: Enhance insert_page_into_pte_locked()
 to create writable mappings

On 04.02.25 23:48, Alistair Popple wrote:
> In preparation for using insert_page() for DAX, enhance
> insert_page_into_pte_locked() to handle establishing writable
> mappings.  Recall that DAX returns VM_FAULT_NOPAGE after installing a
> PTE which bypasses the typical set_pte_range() in finish_fault.
> 
> Signed-off-by: Alistair Popple <apopple@...dia.com>
> Suggested-by: Dan Williams <dan.j.williams@...el.com>
> Reviewed-by: Dan Williams <dan.j.williams@...el.com>

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb