linux-kernel - Re: [Patch V3 05/37] x86, PCI, ACPI: use kmalloc

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Message-ID: <alpine.DEB.2.02.1405271421470.14064@chino.kir.corp.google.com>
Date:	Tue, 27 May 2014 14:22:37 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Grant Likely <grant.likely@...aro.org>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>, x86@...nel.org,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tony Luck <tony.luck@...el.com>,
	Joerg Roedel <joro@...tes.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: [Patch V3 05/37] x86, PCI, ACPI: use kmalloc_node() to optimize
 for performance

On Tue, 27 May 2014, Jiang Liu wrote:

> Use kmalloc_node() instead of kmalloc() when possible to optimize
> for performance on NUMA platforms.
> 
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>

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

All the handling to make sure sd->node refers to either NUMA_NO_NODE 
(fallback to local allocation) or an online node looks to be handled 
properly.
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