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| author | Paul Mundt <lethal@linux-sh.org> | 2009-04-14 10:22:15 +0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-14 10:22:15 +0400 |
| commit | 7b41f5688c1e03c41c772cd1766d6d80189380dd (patch) | |
| tree | 976cddb7fbfa5161f9e88bf83c34f4ac0f8ec209 | |
| parent | 0ee50254dfe0c96f9eef4fc9fdf47a18d6a12df3 (diff) | |
| download | linux-7b41f5688c1e03c41c772cd1766d6d80189380dd.tar.xz | |
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: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | arch/sh/mm/consistent.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c index 8c9ee855328a..e098ec158ddb 100644 --- a/arch/sh/mm/consistent.c +++ b/arch/sh/mm/consistent.c @@ -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) |