https://github.com/torvalds/linux
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Tip revision: fe82dcec644244676d55a1384c958d5f67979adb authored by Linus Torvalds on 28 September 2014, 21:29:07 UTC
Linux 3.17-rc7
Tip revision: fe82dce
dma.c
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/dma-debug.h>

#define PREALLOC_DMA_DEBUG_ENTRIES       (1 << 15)

static int __init dma_init(void)
{
	dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
	return 0;
}
fs_initcall(dma_init);
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