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-rw-r--r--arch/arm/include/asm/mach/arch.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 946f4d7..3281fb4 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -23,6 +23,10 @@ struct machine_desc {
unsigned int nr_irqs; /* number of IRQs */
+#ifdef CONFIG_ZONE_DMA
+ unsigned long dma_zone_size; /* size of DMA-able area */
+#endif
+
unsigned int video_start; /* start of video RAM */
unsigned int video_end; /* end of video RAM */
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