From: Yinghai Lu <Yinghai.Lu@Sun.COM>
Date: Tue, 19 Feb 2008 10:21:45 +0000 (-0800)
Subject: x86: fix dma_alloc_pages
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6721fc0a0d87019b08384ac798ca7d51bc5fda4e;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

x86: fix dma_alloc_pages

memory-less node support:

this patch uses updated dev_to_node, because dev_to_node already makes sure
it returns an online node.

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/arch/x86/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c
index a82473d192a..375cb2bc45b 100644
--- a/arch/x86/kernel/pci-dma_64.c
+++ b/arch/x86/kernel/pci-dma_64.c
@@ -53,11 +53,6 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
 	int node;
 
 	node = dev_to_node(dev);
-	if (node == -1)
-		node = numa_node_id();
-
-	if (node < first_node(node_online_map))
-		node = first_node(node_online_map);
 
 	page = alloc_pages_node(node, gfp, order);
 	return page ? page_address(page) : NULL;