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Diffstat (limited to 'arch/arm/include/asm/memory.h')
-rw-r--r--arch/arm/include/asm/memory.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 0202a7c20e62..85763db87449 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -44,14 +44,21 @@
* The module space lives between the addresses given by TASK_SIZE
* and PAGE_OFFSET - it must be within 32MB of the kernel text.
*/
-#define MODULES_END (PAGE_OFFSET)
-#define MODULES_VADDR (MODULES_END - 16*1048576)
-
+#define MODULES_VADDR (PAGE_OFFSET - 16*1024*1024)
#if TASK_SIZE > MODULES_VADDR
#error Top of user space clashes with start of module space
#endif
/*
+ * The highmem pkmap virtual space shares the end of the module area.
+ */
+#ifdef CONFIG_HIGHMEM
+#define MODULES_END (PAGE_OFFSET - PMD_SIZE)
+#else
+#define MODULES_END (PAGE_OFFSET)
+#endif
+
+/*
* The XIP kernel gets mapped at the bottom of the module vm area.
* Since we use sections to map it, this macro replaces the physical address
* with its virtual address while keeping offset from the base section.
@@ -181,6 +188,7 @@ static inline void *phys_to_virt(unsigned long x)
#ifndef __virt_to_bus
#define __virt_to_bus __virt_to_phys
#define __bus_to_virt __phys_to_virt
+#define __pfn_to_bus(x) ((x) << PAGE_SHIFT)
#endif
static inline __deprecated unsigned long virt_to_bus(void *x)