From: "Li,Rongqing" <lirongqing@baidu.com>
To: David Hildenbrand <david@redhat.com>,
"muchun.song@linux.dev" <muchun.song@linux.dev>,
"osalvador@suse.de" <osalvador@suse.de>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [外部邮件] Re: [PATCH] mm/hugetlb: early exit from hugetlb_pages_alloc_boot() when max_huge_pages=0
Date: Thu, 14 Aug 2025 09:12:06 +0000 [thread overview]
Message-ID: <8db5f7f3b66a40af8abf921290db42ab@baidu.com> (raw)
In-Reply-To: <7e88d01a-10bb-4edb-9010-f9c0bca31a46@redhat.com>
> On 14.08.25 10:29, lirongqing wrote:
> > From: Li RongQing <lirongqing@baidu.com>
> >
> > Optimize hugetlb_pages_alloc_boot() to return immediately when
> > max_huge_pages is 0, saving cycles when hugepages aren't configured in
> > the kernel command line.
>
> Do we really care?
>
I find this when I see the boot log, I think this log is unnecessary if user did not configure hugetlbfs in kernel cmdline
kernel: HugeTLB: allocation took 0ms with hugepage_allocation_threads=32
Br
-Li
> --
> Cheers
>
> David / dhildenb
next prev parent reply other threads:[~2025-08-14 9:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-14 8:29 lirongqing
2025-08-14 9:01 ` David Hildenbrand
2025-08-14 9:12 ` Li,Rongqing [this message]
2025-08-14 9:15 ` [外部邮件] " David Hildenbrand
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