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Date:   Tue, 28 Jun 2022 12:42:44 +0200
From:   David Hildenbrand <>
To:     Alex Sierra <>,
Subject: Re: [PATCH v6 02/14] mm: handling Non-LRU pages returned by

On 28.06.22 02:14, Alex Sierra wrote:
> With DEVICE_COHERENT, we'll soon have vm_normal_pages() return
> device-managed anonymous pages that are not LRU pages. Although they
> behave like normal pages for purposes of mapping in CPU page, and for
> COW. They do not support LRU lists, NUMA migration or THP.
> We also introduced a FOLL_LRU flag that adds the same behaviour to
> follow_page and related APIs, to allow callers to specify that they
> expect to put pages on an LRU list.
> Signed-off-by: Alex Sierra <>
> Acked-by: Felix Kuehling <>
> Reviewed-by: Alistair Popple <>
> ---

I think my review feedback regarding FOLL_LRU has been ignored.


David / dhildenb

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