linux-kernel - Re: [RFC v2 2/4] mm: unify checks in alloc_pages

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Message-ID: <alpine.DEB.2.10.1507241309060.5215@chino.kir.corp.google.com>
Date:	Fri, 24 Jul 2015 13:09:17 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Vlastimil Babka <vbabka@...e.cz>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>, Greg Thelen <gthelen@...gle.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...nel.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>
Subject: Re: [RFC v2 2/4] mm: unify checks in alloc_pages_node family of
 functions

On Fri, 24 Jul 2015, Vlastimil Babka wrote:

> Perform the same debug checks in alloc_pages_node() as are done in
> alloc_pages_exact_node() and __alloc_pages_node() by making the latter
> function the inner core of the former ones.
> 
> Change the !node_online(nid) check from VM_BUG_ON to VM_WARN_ON since it's not
> fatal and this patch may expose some buggy callers.
> 
> Signed-off-by: Vlastimil Babka <vbabka@...e.cz>

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