linux-kernel - Re: [RFC v2 1/4] mm: make alloc_pages_exact_node pass __GFP

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Message-ID: <20150730151448.GA14488@cmpxchg.org>
Date:	Thu, 30 Jul 2015 11:14:48 -0400
From:	Johannes Weiner <hannes@...xchg.org>
To:	Mel Gorman <mgorman@...hsingularity.net>
Cc:	Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	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 1/4] mm: make alloc_pages_exact_node pass __GFP_THISNODE

On Wed, Jul 29, 2015 at 02:30:43PM +0100, Mel Gorman wrote:
> The change of what we have now is a good idea. What you have is a solid
> improvement in my view but I see there are a few different suggestions
> in the thread. Based on that I think it makes sense to just destroy
> alloc_pages_exact_node. In the future "exact" in the allocator API will
> mean "exactly this number of pages". Use your __alloc_pages_node helper
> and specify __GFP_THISNODE if the caller requires that specific node.

+1
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