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Date: Mon, 15 Jan 2024 13:37:37 -0400
From: Jason Gunthorpe <jgg@nvidia.com>
To: peterx@redhat.com
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	James Houghton <jthoughton@google.com>,
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Subject: Re: [PATCH v2 01/13] mm/Kconfig: CONFIG_PGTABLE_HAS_HUGE_LEAVES
Message-ID: <20240115173737.GO734935@nvidia.com>
References: <20240103091423.400294-1-peterx@redhat.com>
 <20240103091423.400294-2-peterx@redhat.com>
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On Wed, Jan 03, 2024 at 05:14:11PM +0800, peterx@redhat.com wrote:
> From: Peter Xu <peterx@redhat.com>
> 
> Introduce a config option that will be selected as long as huge leaves are
> involved in pgtable (thp or hugetlbfs).  It would be useful to mark any
> code with this new config that can process either hugetlb or thp pages in
> any level that is higher than pte level.
> 
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
>  mm/Kconfig | 3 +++
>  1 file changed, 3 insertions(+)

So you mean anything that supports page table entires > PAGE_SIZE ?

Makes sense to me, though maybe add a comment in the kconfig?

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason