linux-kernel - Re: [RFC PATCH v1 0/4] hugetlb: parallelize hugetlb page allocation on boot

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Message-ID: <13ad8d92-dc69-4088-b3db-16fade43bde3@bytedance.com>
Date:   Tue, 28 Nov 2023 14:52:56 +0800
From:   Gang Li <ligang.bdlg@...edance.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     Gang Li <gang.li@...ux.dev>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Muchun Song <muchun.song@...ux.dev>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v1 0/4] hugetlb: parallelize hugetlb page allocation
 on boot

Hi David Hildenbrand :),

On 2023/11/23 22:10, David Hildenbrand wrote:
> Sorry to say, but why is that a scenario worth adding complexity for /
> optimizing for? You don't cover that, so there is a clear lack in the
> motivation.

Regarding your concern about complexity, this is indeed something to
consider. There is a precedent of parallelization in pgdata[1] which
might be reused (or other methods) to reduce the complexity of this
series.

[1] 
https://lore.kernel.org/all/20200527173608.2885243-1-daniel.m.jordan@oracle.com/