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Message-ID: <d6140b16-38c0-30d5-8ed8-0fcffa98a951@suse.cz>
Date: Tue, 22 Nov 2022 15:20:23 +0100
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Subject: Re: [PATCH mm-unstable v1 06/20] mm: rework handling in do_wp_page()
 based on private vs. shared mappings
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To: David Hildenbrand <david@redhat.com>, linux-kernel@vger.kernel.org
References: <20221116102659.70287-1-david@redhat.com>
 <20221116102659.70287-7-david@redhat.com>
From: Vlastimil Babka <vbabka@suse.cz>
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On 11/16/22 11:26, David Hildenbrand wrote:
> We want to extent FAULT_FLAG_UNSHARE support to anything mapped into a
> COW mapping (pagecache page, zeropage, PFN, ...), not just anonymous pages.
> Let's prepare for that by handling shared mappings first such that we can
> handle private mappings last.
> 
> While at it, use folio-based functions instead of page-based functions
> where we touch the code either way.
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>

Reviewed-by: Vlastimil Babka <vbabka@suse.cz>