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Date: Wed, 28 Nov 2018 08:41:57 +0000
From: Wei Yang <richard.weiyang@gmail.com>
Subject: Re: [PATCH] mm, sparse: drop pgdat_resize_lock in
 sparse_add/remove_one_section()
Message-ID: <20181128084157.2komhfl2vgx5abqy@master>
Reply-To: Wei Yang <richard.weiyang@gmail.com>
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To: Oscar Salvador <osalvador@suse.de>
Cc: Wei Yang <richard.weiyang@gmail.com>, Dave Hansen <dave.hansen@intel.com>, Michal Hocko <mhocko@suse.com>, akpm@linux-foundation.org, linux-mm@kvack.org, owner-linux-mm@kvack.org

On Wed, Nov 28, 2018 at 09:19:27AM +0100, Oscar Salvador wrote:
>> My current idea is :
>
>I do not want to hold you back.
>I think that if you send a V2 detailing why we should be safe removing
>the pgdat lock it is fine (memhotplug lock protects us).

Fine.

>
>We can later on think about the range locking, but that is another
>discussion.
>Sorry for having brought in that topic here, out of scope.
>
>-- 
>Oscar Salvador
>SUSE L3

-- 
Wei Yang
Help you, Help me