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[PATCH] x86_64: reserve dma32 early for gart -fix

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From: Yinghai Lu <yhlu.kernel.send@...>
To: Ingo Molnar <mingo@...>, Thomas Gleixner <tglx@...>, H. Peter Anvin <hpa@...>
Cc: <linux-kernel@...>
Subject: [PATCH] x86_64: reserve dma32 early for gart -fix
Date: Thursday, April 17, 2008 - 2:24 pm

using free_bootmem directly

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>

Index: linux-2.6/arch/x86/kernel/pci-dma.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/pci-dma.c
+++ linux-2.6/arch/x86/kernel/pci-dma.c
@@ -92,7 +92,6 @@ void __init dma32_reserve_bootmem(void)
 }
 static void __init dma32_free_bootmem(void)
 {
-	int node;
 
 	if (end_pfn <= MAX_DMA32_PFN)
 		return;
@@ -100,9 +99,7 @@ static void __init dma32_free_bootmem(vo
 	if (!dma32_bootmem_ptr)
 		return;
 
-	for_each_online_node(node)
-		free_bootmem_node(NODE_DATA(node), __pa(dma32_bootmem_ptr),
-				  dma32_bootmem_size);
+	free_bootmem(__pa(dma32_bootmem_ptr), dma32_bootmem_size);
 
 	dma32_bootmem_ptr = NULL;
 	dma32_bootmem_size = 0;
--
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[PATCH] x86_64: reserve dma32 early for gart -fix, Yinghai Lu, (Thu Apr 17, 2:24 pm)