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-rw-r--r--arch/arm/mm/mm.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 5b3d7d5..7f2b1f6 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -23,5 +23,19 @@ extern void __flush_dcache_page(struct address_space *mapping, struct page *page
#endif
+#ifdef CONFIG_ZONE_DMA
+extern phys_addr_t arm_dma_limit;
+#else
+#define arm_dma_limit ((u32)~0)
+#endif
+
+#ifdef CONFIG_DMA_CMA
+extern phys_addr_t arm_lowmem_limit;
+#endif
+
void __init bootmem_init(void);
void arm_mm_memblock_reserve(void);
+#ifdef CONFIG_DMA_CMA
+void dma_contiguous_remap(void);
+#endif
+