Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[linux-2.6] / include / asm-arm / memory.h

diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
index 3d7f08bd9030f84e7828c99db876d216032066d6..afa5c3ea077cc05e0f2fbd5c33b4d34b415340c7 100644 (file)
--- a/include/asm-arm/memory.h
+++ b/include/asm-arm/memory.h
@@ -25,6 +25,7 @@
 #include <linux/config.h>
 #include <linux/compiler.h>
 #include <asm/arch/memory.h>
+#include <asm/sizes.h>
 
 #ifndef TASK_SIZE
 /*
@@ -47,6 +48,14 @@
 #define PAGE_OFFSET            UL(0xc0000000)
 #endif
 
+/*
+ * Size of DMA-consistent memory region.  Must be multiple of 2M,
+ * between 2MB and 14MB inclusive.
+ */
+#ifndef CONSISTENT_DMA_SIZE
+#define CONSISTENT_DMA_SIZE SZ_2M
+#endif
+
 /*
  * Physical vs virtual RAM address space conversion.  These are
  * private definitions which should NOT be used outside memory.h
@@ -163,9 +172,7 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
  *  virt_addr_valid(k) indicates whether a virtual address is valid
  */
 #ifndef CONFIG_DISCONTIGMEM
-
-#define page_to_pfn(page)      (((page) - mem_map) + PHYS_PFN_OFFSET)
-#define pfn_to_page(pfn)       ((mem_map + (pfn)) - PHYS_PFN_OFFSET)
+#define ARCH_PFN_OFFSET                (PHYS_PFN_OFFSET)
 #define pfn_valid(pfn)         ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
 
 #define virt_to_page(kaddr)    (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
@@ -180,13 +187,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
  * around in memory.
  */
 #include <linux/numa.h>
-
-#define page_to_pfn(page)                                      \
-       (( (page) - page_zone(page)->zone_mem_map)              \
-         + page_zone(page)->zone_start_pfn)
-
-#define pfn_to_page(pfn)                                       \
-       (PFN_TO_MAPBASE(pfn) + LOCAL_MAP_NR((pfn) << PAGE_SHIFT))
+#define arch_pfn_to_nid(pfn)   (PFN_TO_NID(pfn))
+#define arch_local_page_offset(pfn, nid) (LOCAL_MAP_NR((pfn) << PAGE_OFFSET))
 
 #define pfn_valid(pfn)                                         \
        ({                                                      \
@@ -234,4 +236,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
 
 #endif
 
+#include <asm-generic/memory_model.h>
+
 #endif