X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Farch%2Farm64%2Finclude%2Fasm%2Fmemory.h;h=853953cd1f0813fd562b68b7cdddd95582f1e392;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=44a59c20e77358f98c7ad22c8ace5a1dd07bc7fd;hpb=ec0a2ed6d8a5e555edef907895c041e285fdb495;p=kvmfornfv.git

diff --git a/kernel/arch/arm64/include/asm/memory.h b/kernel/arch/arm64/include/asm/memory.h
index 44a59c20e..853953cd1 100644
--- a/kernel/arch/arm64/include/asm/memory.h
+++ b/kernel/arch/arm64/include/asm/memory.h
@@ -42,12 +42,14 @@
  * PAGE_OFFSET - the virtual address of the start of the kernel image (top
  *		 (VA_BITS - 1))
  * VA_BITS - the maximum number of bits for virtual addresses.
+ * VA_START - the first kernel virtual address.
  * TASK_SIZE - the maximum size of a user space task.
  * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area.
  * The module space lives between the addresses given by TASK_SIZE
  * and PAGE_OFFSET - it must be within 128MB of the kernel text.
  */
 #define VA_BITS			(CONFIG_ARM64_VA_BITS)
+#define VA_START		(UL(0xffffffffffffffff) << VA_BITS)
 #define PAGE_OFFSET		(UL(0xffffffffffffffff) << (VA_BITS - 1))
 #define MODULES_END		(PAGE_OFFSET)
 #define MODULES_VADDR		(MODULES_END - SZ_64M)
@@ -68,10 +70,6 @@
 
 #define TASK_UNMAPPED_BASE	(PAGE_ALIGN(TASK_SIZE / 4))
 
-#if TASK_SIZE_64 > MODULES_VADDR
-#error Top of 64-bit user space clashes with start of module space
-#endif
-
 /*
  * Physical vs virtual RAM address space conversion.  These are
  * private definitions which should NOT be used outside memory.h
@@ -80,12 +78,6 @@
 #define __virt_to_phys(x)	(((phys_addr_t)(x) - PAGE_OFFSET + PHYS_OFFSET))
 #define __phys_to_virt(x)	((unsigned long)((x) - PHYS_OFFSET + PAGE_OFFSET))
 
-/*
- * Convert a physical address to a Page Frame Number and back
- */
-#define	__phys_to_pfn(paddr)	((unsigned long)((paddr) >> PAGE_SHIFT))
-#define	__pfn_to_phys(pfn)	((phys_addr_t)(pfn) << PAGE_SHIFT)
-
 /*
  * Convert a page to/from a physical address
  */
@@ -100,6 +92,7 @@
 #define MT_DEVICE_GRE		2
 #define MT_NORMAL_NC		3
 #define MT_NORMAL		4
+#define MT_NORMAL_WT		5
 
 /*
  * Memory types for Stage-2 translation