Re: [PATCH] mm: Remove unused exact_nid parameter from memmap_alloc()

[Muchun Song]

> On Sep 14, 2026, at 13:51, Kaitao Cheng <kaitao.cheng@xxxxxxxxx> wrote:
> 
> From: Kaitao Cheng <chengkaitao@xxxxxxxxxx>
> 
> 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@xxxxxxxxxx>

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

Thanks.