linux-kernel - Re: [PATCH 1/1] hugetlb: fix CONFIG_PADATA dependency for non-SMP system

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Message-ID: <a749cb06-9495-40fc-9192-b019b48eca92@linux.dev>
Date: Sun, 4 Feb 2024 15:48:12 +0800
From: Gang Li <gang.li@...ux.dev>
To: Muchun Song <muchun.song@...ux.dev>
Cc: Gang Li <ligang.bdlg@...edance.com>,
 Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, Randy Dunlap <rdunlap@...radead.org>,
 kernel test robot <lkp@...el.com>
Subject: Re: [PATCH 1/1] hugetlb: fix CONFIG_PADATA dependency for non-SMP
 system

On 2024/2/4 15:44, Muchun Song wrote:
> I don't think it is a clear way to fix this. If someone want to
> use PADATA in a non-SMP system, he should be carefully to handle
> the non-SMP case himself. I think the better way is to make PADATA
> handle the non-SMP case, I think it should be easy for it, which
> could just call ->thread_fn() many times instead of creating many
> threads in the non-SMP case.
> 
> Thanks.
>

Sounds good, I'll take a look at padata and send a new patch.