linux-kernel - Re: [Patch V3 4/9] openvswitch: Replace cpu_to_node() with cpu_to

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Message-ID: <CALnjE+pTMo2E2CSswzbSeTPONvUQ8d_+Z1UbGVKMEZcSCjtA=A@mail.gmail.com>
Date:	Mon, 17 Aug 2015 17:14:08 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	David Rientjes <rientjes@...gle.com>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Tang Chen <tangchen@...fujitsu.com>, Tejun Heo <tj@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Tony Luck <tony.luck@...el.com>, linux-mm@...ck.org,
	linux-hotplug@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	x86@...nel.org, netdev <netdev@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [Patch V3 4/9] openvswitch: Replace cpu_to_node() with
 cpu_to_mem() to support memoryless node

On Sun, Aug 16, 2015 at 8:19 PM, Jiang Liu <jiang.liu@...ux.intel.com> wrote:
> Function ovs_flow_stats_update() allocates memory with __GFP_THISNODE
> flag set, which may cause permanent memory allocation failure on
> memoryless node. So replace cpu_to_node() with cpu_to_mem() to better
> support memoryless node. For node with memory, cpu_to_mem() is the same
> as cpu_to_node().
>
> This change only affects performance and shouldn't affect functionality.
>
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>

Acked-by: Pravin B Shelar <pshelar@...ira.com>
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