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From: Muchun Song <muchun.song@linux.dev>
To: Kaitao Cheng <kaitao.cheng@linux.dev>
Cc: Mike Rapoport <rppt@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@kernel.org>,
	Lorenzo Stoakes <ljs@kernel.org>,
	"Liam R . Howlett" <liam@infradead.org>,
	Vlastimil Babka <vbabka@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Kaitao Cheng <chengkaitao@kylinos.cn>
Subject: Re: [PATCH] mm: Remove unused exact_nid parameter from memmap_alloc()
Date: Mon, 14 Sep 2026 14:33:14 +0800	[thread overview]
Message-ID: <271883C6-95AA-4C60-B99D-FF93BEE695EE@linux.dev> (raw)
In-Reply-To: <20260914055130.44543-1-kaitao.cheng@linux.dev>



> On Sep 14, 2026, at 13:51, Kaitao Cheng <kaitao.cheng@linux.dev> wrote:
> 
> From: Kaitao Cheng <chengkaitao@kylinos.cn>
> 
> Commit ffe55393137c ("mm/sparse: remove sparse buffer pre-allocation
> mechanism") removed sparse_buffer_init(), which was the only caller of
> memmap_alloc() that passed true for exact_nid.
> 
> All remaining callers pass false, leaving the exact-node allocation
> branch unreachable. Remove the exact_nid parameter and unconditionally
> use memblock_alloc_try_nid_raw().
> 
> This has no functional impact.
> 
> Signed-off-by: Kaitao Cheng <chengkaitao@kylinos.cn>

Acked-by: Muchun Song <muchun.song@linux.dev>

Thanks.


  reply	other threads:[~2026-09-14  6:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-14  5:51 Kaitao Cheng
2026-09-14  6:33 ` Muchun Song [this message]
2026-09-15  4:22 ` Andrew Morton
2026-09-15  8:09   ` Kaitao Cheng
2026-09-15  8:46 ` Lorenzo Stoakes (ARM)

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