powerpc/mm: vmalloc abstraction in preparation for radix

[linux.git] / arch / powerpc / include / asm / book3s / 64 / pgtable.h

diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 32a975694e53b53319f8b5741dd7bb23ae3a4599..f5628f96134b07fe07bd9f225c447b3019d789e1 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -208,6 +208,18 @@ extern unsigned long __pgd_val_bits;
 #define PUD_MASKED_BITS                0xc0000000000000ffUL
 /* Bits to mask out from a PGD to get to the PUD page */
 #define PGD_MASKED_BITS                0xc0000000000000ffUL
+
+extern unsigned long __vmalloc_start;
+extern unsigned long __vmalloc_end;
+#define VMALLOC_START  __vmalloc_start
+#define VMALLOC_END    __vmalloc_end
+
+extern unsigned long __kernel_virt_start;
+extern unsigned long __kernel_virt_size;
+#define KERN_VIRT_START __kernel_virt_start
+#define KERN_VIRT_SIZE  __kernel_virt_size
+extern struct page *vmemmap;
+extern unsigned long ioremap_bot;
 #endif /* __ASSEMBLY__ */
 
 #include <asm/book3s/64/hash.h>
@@ -220,7 +232,6 @@ extern unsigned long __pgd_val_bits;
 #endif
 
 #include <asm/barrier.h>
-
 /*
  * The second half of the kernel virtual space is used for IO mappings,
  * it's itself carved into the PIO region (ISA and PHB IO space) and
@@ -239,8 +250,6 @@ extern unsigned long __pgd_val_bits;
 #define IOREMAP_BASE   (PHB_IO_END)
 #define IOREMAP_END    (KERN_VIRT_START + KERN_VIRT_SIZE)
 
-#define vmemmap                        ((struct page *)VMEMMAP_BASE)
-
 /* Advertise special mapping type for AGP */
 #define HAVE_PAGE_AGP