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From: Oscar Salvador <osalvador@suse.de>
To: David Hildenbrand <david@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@kernel.org>,
	Wei Yang <richard.weiyang@gmail.com>,
	Miaohe Lin <linmiaohe@huawei.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] mm/memory_hotplug: Refactor hotadd_init_pgdat and try_online_node
Date: Thu, 5 May 2022 11:17:39 +0200	[thread overview]
Message-ID: <YnOWM1zHKNUNb/Yz@localhost.localdomain> (raw)
In-Reply-To: <7946f6ca-fe03-e286-32f9-b22ff1edb52f@redhat.com>

On Thu, Apr 28, 2022 at 02:35:11PM +0200, David Hildenbrand wrote:
> BUG_ON(ret);
> return ret;
> 
> hm? This will never return :)

Yes, this looks like a brainfart.
It will not return __only__ in the case where register_node_node()
fails, which is what we do right now, but then I do not know why added
"errno -> register_one_node() failed." in the comment.

I might have managed to confuse myself.

Thanks 

-- 
Oscar Salvador
SUSE Labs


  reply	other threads:[~2022-05-05  9:17 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-07 15:07 [PATCH 0/3] A minor hotplug refactoring Oscar Salvador
2022-03-07 15:07 ` [PATCH 1/3] mm/page_alloc: Do not calculate node's total pages and memmap pages when empty Oscar Salvador
2022-04-28 12:13   ` David Hildenbrand
2022-05-05  9:09     ` Oscar Salvador
2022-03-07 15:07 ` [PATCH 2/3] mm/memory_hotplug: Reset node's state when empty during offline Oscar Salvador
2022-04-28 12:30   ` David Hildenbrand
2022-05-05 10:37     ` Oscar Salvador
2022-03-07 15:07 ` [PATCH 3/3] mm/memory_hotplug: Refactor hotadd_init_pgdat and try_online_node Oscar Salvador
2022-04-28 12:35   ` David Hildenbrand
2022-05-05  9:17     ` Oscar Salvador [this message]
2022-04-27 21:05 ` [PATCH 0/3] A minor hotplug refactoring Andrew Morton

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