linux-kernel - Re: [RFC PATCH v2 0/5] hugetlb: parallelize hugetlb page init on boot

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Message-ID: <46bc7aa3-4b08-4e5f-9563-485ee17e2785@bytedance.com>
Date: Mon, 18 Dec 2023 14:34:23 +0800
From: Gang Li <ligang.bdlg@...edance.com>
To: David Rientjes <rientjes@...gle.com>,
 Mike Kravetz <mike.kravetz@...cle.com>
Cc: Gang Li <gang.li@...ux.dev>, David Hildenbrand <david@...hat.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 v2 0/5] hugetlb: parallelize hugetlb page init on boot

Hi,

On 2023/12/13 08:10, David Rientjes wrote:
> On 6.6 I measured "hugepagesz=1G hugepages=11776" on as 12TB host to be
> 77s this time around.

Thanks for your test! Is this the total kernel boot time, or just the
hugetlb initialization time?

> 
> A latest Linus build with this patch set does not boot successfully, so

Which branch/tag is it compiled on?
I test this patch on v6.7-rc4 and next-20231130.

> I'll need to look into that and try to capture the failure.  Not sure if
> it's related to this patch or the latest Linus build in general.
>