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Date: Mon, 18 Dec 2023 14:34:23 +0800
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Subject: Re: [RFC PATCH v2 0/5] hugetlb: parallelize hugetlb page init on boot
To: David Rientjes <rientjes@google.com>,
 Mike Kravetz <mike.kravetz@oracle.com>
Cc: Gang Li <gang.li@linux.dev>, David Hildenbrand <david@redhat.com>,
 Muchun Song <muchun.song@linux.dev>,
 Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
 linux-kernel@vger.kernel.org
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 <996ba32c-78f0-1807-5e64-af5841a820e7@google.com>
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 <55c6c1f6-0792-61c3-86ed-4729d4a3fdf5@google.com>
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From: Gang Li <ligang.bdlg@bytedance.com>
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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.
>