linux-kernel - Re: [PATCH 27/28] mm/hugetlb: drop hugetlb_cma

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Message-Id: <2F5422EB-495E-4BC7-8174-13BED1147382@linux.dev>
Date: Mon, 29 Dec 2025 11:13:03 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Mike Rapoport <rppt@...nel.org>
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Subject: Re: [PATCH 27/28] mm/hugetlb: drop hugetlb_cma_check()

> On Dec 28, 2025, at 20:39, Mike Rapoport <rppt@...nel.org> wrote:
> 
> From: "Mike Rapoport (Microsoft)" <rppt@...nel.org>
> 
> hugetlb_cma_check() was required when the ordering of hugetlb_cma_reserve()
> and hugetlb_bootmem_alloc() was architecture depended.
> 
> Since hugetlb_cma_reserve() is always called before hugetlb_bootmem_alloc()
> there is no need to check whether hugetlb_cma_reserve() was already called.
> 
> Drop unneeded hugetlb_cma_check() function.
> 
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@...nel.org>

Nice cleanup.

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

Thanks.