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Date: Wed, 18 Mar 2026 10:57:54 +0200
From: Mike Rapoport <rppt@kernel.org>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-cxl@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Oscar Salvador <osalvador@suse.de>,
	Axel Rasmussen <axelrasmussen@google.com>,
	Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
	Lorenzo Stoakes <ljs@kernel.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Vlastimil Babka <vbabka@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 14/14] mm/sparse: move memory hotplug bits to
 sparse-vmemmap.c
Message-ID: <abppEiCJN_432O6w@kernel.org>
References: <20260317165652.99114-1-david@kernel.org>
 <20260317165652.99114-15-david@kernel.org>
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In-Reply-To: <20260317165652.99114-15-david@kernel.org>

On Tue, Mar 17, 2026 at 05:56:52PM +0100, David Hildenbrand (Arm) wrote:
> Let's move all memory hoptplug related code to sparse-vmemmap.c.
> 
> We only have to expose sparse_index_init(). While at it, drop the
> definition of sparse_index_init() for !CONFIG_SPARSEMEM, which is unused,
> and place the declaration in internal.h.
> 
> Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>

Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

> ---
>  include/linux/mmzone.h |   1 -
>  mm/internal.h          |   4 +
>  mm/sparse-vmemmap.c    | 308 ++++++++++++++++++++++++++++++++++++++++
>  mm/sparse.c            | 314 +----------------------------------------
>  4 files changed, 314 insertions(+), 313 deletions(-)

-- 
Sincerely yours,
Mike.