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Date:   Thu, 4 Mar 2021 15:26:17 +1100
From:   Balbir Singh <bsingharora@gmail.com>
To:     Muchun Song <songmuchun@bytedance.com>, corbet@lwn.net,
        mike.kravetz@oracle.com, tglx@linutronix.de, mingo@redhat.com,
        bp@alien8.de, x86@kernel.org, hpa@zytor.com,
        dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org,
        viro@zeniv.linux.org.uk, akpm@linux-foundation.org,
        paulmck@kernel.org, mchehab+huawei@kernel.org,
        pawan.kumar.gupta@linux.intel.com, rdunlap@infradead.org,
        oneukum@suse.com, anshuman.khandual@arm.com, jroedel@suse.de,
        almasrymina@google.com, rientjes@google.com, willy@infradead.org,
        osalvador@suse.de, mhocko@suse.com, song.bao.hua@hisilicon.com,
        david@redhat.com, naoya.horiguchi@nec.com,
        joao.m.martins@oracle.com
Cc:     duanxiongchun@bytedance.com, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        linux-fsdevel@vger.kernel.org, Miaohe Lin <linmiaohe@huawei.com>
Subject: Re: [PATCH v17 1/9] mm: memory_hotplug: factor out bootmem core
 functions to bootmem_info.c
Message-ID: <20210304042617.GB1223287@balbir-desktop>
References: <20210225132130.26451-1-songmuchun@bytedance.com>
 <20210225132130.26451-2-songmuchun@bytedance.com>
 <baa8e9af-69f5-c301-6735-f8eedc1929c7@gmail.com>
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In-Reply-To: <baa8e9af-69f5-c301-6735-f8eedc1929c7@gmail.com>
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On Wed, Mar 03, 2021 at 01:45:00PM +1100, Singh, Balbir wrote:
> On 26/2/21 12:21 am, Muchun Song wrote:
> > Move bootmem info registration common API to individual bootmem_info.c.
> > And we will use {get,put}_page_bootmem() to initialize the page for the
> > vmemmap pages or free the vmemmap pages to buddy in the later patch.
> > So move them out of CONFIG_MEMORY_HOTPLUG_SPARSE. This is just code
> > movement without any functional change.
> > 
> > Signed-off-by: Muchun Song <songmuchun@bytedance.com>
> > Acked-by: Mike Kravetz <mike.kravetz@oracle.com>
> > Reviewed-by: Oscar Salvador <osalvador@suse.de>
> > Reviewed-by: David Hildenbrand <david@redhat.com>
> > Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
> ...
> 
> > diff --git a/mm/bootmem_info.c b/mm/bootmem_info.c
> > new file mode 100644
> > index 000000000000..fcab5a3f8cc0
> > --- /dev/null
> > +++ b/mm/bootmem_info.c
> > @@ -0,0 +1,124 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +/*
> > + *  linux/mm/bootmem_info.c
> > + *
> > + *  Copyright (C)
> 
> Looks like incomplete
>
Not that my comment was, I should have said

The copyright looks very incomplete

Balbir Singh.