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Date: Thu, 30 Jul 2015 15:07:25 -0500 (CDT)
From: Christoph Lameter <cl@linux.com>
Subject: Re: [PATCH v3 1/3] mm: rename alloc_pages_exact_node to
 __alloc_pages_node
In-Reply-To: <55BA822B.3020508@suse.cz>
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References: <1438274071-22551-1-git-send-email-vbabka@suse.cz> <alpine.DEB.2.11.1507301255380.5521@east.gentwo.org> <55BA822B.3020508@suse.cz>
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Sender: owner-linux-mm@kvack.org
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To: Vlastimil Babka <vbabka@suse.cz>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org, Mel Gorman <mgorman@suse.de>, David Rientjes <rientjes@google.com>, Greg Thelen <gthelen@google.com>, "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>, Pekka Enberg <penberg@kernel.org>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, Johannes Weiner <hannes@cmpxchg.org>, linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, cbe-oss-dev@lists.ozlabs.org, kvm@vger.kernel.org, Tony Luck <tony.luck@intel.com>, Fenghua Yu <fenghua.yu@intel.com>, Arnd Bergmann <arnd@arndb.de>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Gleb Natapov <gleb@kernel.org>, Paolo Bonzini <pbonzini@redhat.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Cliff Whickman <cpw@sgi.com>, Michael Ellerman <mpe@ellerman.id.au>, Robin Holt <robinmholt@gmail.com>

On Thu, 30 Jul 2015, Vlastimil Babka wrote:

> > NAK. This is changing slob behavior. With no node specified it must use
> > alloc_pages because that obeys NUMA memory policies etc etc. It should not
> > force allocation from the current node like what is happening here after
> > the patch. See the code in slub.c that is similar.
>
> Doh, somehow I convinced myself that there's #else and alloc_pages() is only
> used for !CONFIG_NUMA so it doesn't matter. Here's a fixed version.

Acked-by: Christoph Lameter <cl@linux.com>

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