linux-kernel - [PATCH] x86: bump PREALLOC_DMA_DEBUG

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Date:	Fri, 16 Nov 2012 11:17:14 +0100
From:	Maarten Lankhorst <maarten.lankhorst@...onical.com>
To:	x86@...nel.org
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] x86: bump PREALLOC_DMA_DEBUG_ENTRIES

I ran out of free entries when I had CONFIG_DMA_API_DEBUG enabled.
Some other archs seem to default to 65536, so increase this limit for x86 too.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@...onical.com>
----
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index de2b7ad..f5597c5 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -56,7 +56,7 @@ struct device x86_dma_fallback_dev = {
 EXPORT_SYMBOL(x86_dma_fallback_dev);
 
 /* Number of entries preallocated for DMA-API debugging */
-#define PREALLOC_DMA_DEBUG_ENTRIES       32768
+#define PREALLOC_DMA_DEBUG_ENTRIES       65536
 
 int dma_set_mask(struct device *dev, u64 mask)
 {

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