linux-kernel - Re: [PATCH v2 1/2] memory-hotplug: don't BUG() in register_memory

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Date:	Tue, 12 Jan 2016 15:07:38 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Vitaly Kuznetsov <vkuznets@...hat.com>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tang Chen <tangchen@...fujitsu.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Xishi Qiu <qiuxishi@...wei.com>,
	Sheng Yong <shengyong1@...wei.com>,
	Zhu Guihua <zhugh.fnst@...fujitsu.com>,
	Dan Williams <dan.j.williams@...el.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Igor Mammedov <imammedo@...hat.com>
Subject: Re: [PATCH v2 1/2] memory-hotplug: don't BUG() in
 register_memory_resource()

On Mon, 4 Jan 2016, Vitaly Kuznetsov wrote:

> Out of memory condition is not a bug and while we can't add new memory in
> such case crashing the system seems wrong. Propagating the return value
> from register_memory_resource() requires interface change.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: David Rientjes <rientjes@...gle.com>
> Cc: Tang Chen <tangchen@...fujitsu.com>
> Cc: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> Cc: Xishi Qiu <qiuxishi@...wei.com>
> Cc: Sheng Yong <shengyong1@...wei.com>
> Cc: Zhu Guihua <zhugh.fnst@...fujitsu.com>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: David Vrabel <david.vrabel@...rix.com>
> Cc: Igor Mammedov <imammedo@...hat.com>

Acked-by: David Rientjes <rientjes@...gle.com>