linux-kernel - Re: [PATCH 2/4] x86_64: fix dma_alloc

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Date:	Wed, 20 Feb 2008 02:07:18 -0800
From:	Yinghai Lu <Yinghai.Lu@....COM>
To:	Greg KH <greg@...ah.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] x86_64: fix dma_alloc_pages v2

please use this one instead.

because v1 already in mm, and that doesn't depends on 1/4 here.

[PATCH 2/4] x86_64: fix dma_alloc_pages fix

this patch will use updated dev_to node, because dev_to_node already make sure
it have node online

Signed-off-by: Yinghai Lu <yinghai.lu@....com>

diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index 931b51a..375cb2b 100644
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -53,8 +53,6 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
 	int node;
 
 	node = dev_to_node(dev);
-	if (node == -1 || !node_online(node))
-		node = numa_node_id();
 
 	page = alloc_pages_node(node, gfp, order);
 	return page ? page_address(page) : NULL;
--
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