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Commit 7b41f568 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Pre-allocate a reasonable number of DMA debug entries. 



This prevents the DMA API debugging from running out of entries right
away on boot. Defines 4096 entries by default, which while a bit on the
heavy side, ought to leave enough breathing room for some time.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 0ee50254

arch/sh/mm/consistent.c

+11 −1
Original line number Diff line number Diff line
@@ -10,12 +10,22 @@ 
 * for more details.

 */

#include <linux/mm.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/dma-mapping.h>

#include <linux/dma-debug.h>

#include <linux/io.h>

#include <asm/cacheflush.h>

#include <asm/addrspace.h>

#include <asm/io.h>



#define PREALLOC_DMA_DEBUG_ENTRIES	4096



static int __init dma_init(void)

{

	dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);

	return 0;

}

fs_initcall(dma_init);



void *dma_alloc_coherent(struct device *dev, size_t size,

			   dma_addr_t *dma_handle, gfp_t gfp)