linux-kernel - Re: [PATCH] mm, memory hotplug: print debug message in the proper way for online

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Date:	Thu, 25 Feb 2016 00:29:12 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Chen Yucong <slaoub@...il.com>
cc:	akpm@...ux-foundation.org, vbabka@...e.cz, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm, memory hotplug: print debug message in the proper
 way for online_pages

On Thu, 25 Feb 2016, Chen Yucong wrote:

> online_pages() simply returns an error value if
> memory_notify(MEM_GOING_ONLINE, &arg) return a value that is not
> what we want for successfully onlining target pages. This patch
> arms to print more failure information like offline_pages() in
> online_pages.
> 
> This patch also converts printk(KERN_<LEVEL>) to pr_<level>(),
> and moves __offline_pages() to not print failure information with
> KERN_INFO according to David Rientjes's suggestion[1].
> 
> [1] https://lkml.org/lkml/2016/2/24/1094
> 
> Signed-off-by: Chen Yucong <slaoub@...il.com>

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

Cool!