---

yaml
---
r: 132379
b: refs/heads/master
c: 1522ac3
h: refs/heads/master
i:
  132377: 89b8f28
  132375: f9491c1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 305b07680f6c6a7e59f996c5bd85f009caff5bb1
+refs/heads/master: 1522ac3ec95ff0230e7aa516f86b674fdf72866c

trunk/arch/arm/mm/dma-mapping.c

@@ -490,26 +490,30 @@ core_initcall(consistent_init);
  */
 void dma_cache_maint(const void *start, size_t size, int direction)
 {
-	const void *end = start + size;
+	void (*inner_op)(const void *, const void *);
+	void (*outer_op)(unsigned long, unsigned long);
 
-	BUG_ON(!virt_addr_valid(start) || !virt_addr_valid(end - 1));
+	BUG_ON(!virt_addr_valid(start) || !virt_addr_valid(start + size - 1));
 
 	switch (direction) {
 	case DMA_FROM_DEVICE:		/* invalidate only */
-		dmac_inv_range(start, end);
-		outer_inv_range(__pa(start), __pa(end));
+		inner_op = dmac_inv_range;
+		outer_op = outer_inv_range;
 		break;
 	case DMA_TO_DEVICE:		/* writeback only */
-		dmac_clean_range(start, end);
-		outer_clean_range(__pa(start), __pa(end));
+		inner_op = dmac_clean_range;
+		outer_op = outer_clean_range;
 		break;
 	case DMA_BIDIRECTIONAL:		/* writeback and invalidate */
-		dmac_flush_range(start, end);
-		outer_flush_range(__pa(start), __pa(end));
+		inner_op = dmac_flush_range;
+		outer_op = outer_flush_range;
 		break;
 	default:
 		BUG();
 	}
+
+	inner_op(start, start + size);
+	outer_op(__pa(start), __pa(start) + size);
 }
 EXPORT_SYMBOL(dma_cache_maint);
 

trunk/arch/arm/mm/init.c

@@ -382,7 +382,7 @@ void __init bootmem_init(void)
 	for_each_node(node)
 		bootmem_free_node(node, mi);
 
-	high_memory = __va(memend_pfn << PAGE_SHIFT);
+	high_memory = __va((memend_pfn << PAGE_SHIFT) - 1) + 1;
 
 	/*
 	 * This doesn't seem to be used by the Linux memory manager any

trunk/arch/arm/mm/mmap.c

@@ -124,7 +124,7 @@ int valid_phys_addr_range(unsigned long addr, size_t size)
 {
 	if (addr < PHYS_OFFSET)
 		return 0;
-	if (addr + size > __pa(high_memory))
+	if (addr + size >= __pa(high_memory - 1))
 		return 0;
 
 	return 1;