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authorPaul Mackerras <paulus@samba.org>2005-10-10 21:58:35 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-10 21:58:35 +1000
commitab1f9dac6eea25ee59e4c8e1cf0b7476afbbfe07 (patch)
tree03577652197b5e58c348ede3c474bc8dd47e046c /arch/powerpc/mm/pgtable_64.c
parent70d64ceaa1a84d2502405422a4dfd3f87786a347 (diff)
powerpc: Merge arch/ppc64/mm to arch/powerpc/mm
This moves the remaining files in arch/ppc64/mm to arch/powerpc/mm, and arranges that we use them when compiling with ARCH=ppc64. Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
-rw-r--r--arch/powerpc/mm/pgtable_64.c34
1 files changed, 13 insertions, 21 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 724f97e5dee..484d24f9208 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -67,30 +67,9 @@
#include <asm/vdso.h>
#include <asm/imalloc.h>
-#if PGTABLE_RANGE > USER_VSID_RANGE
-#warning Limited user VSID range means pagetable space is wasted
-#endif
-
-#if (TASK_SIZE_USER64 < PGTABLE_RANGE) && (TASK_SIZE_USER64 < USER_VSID_RANGE)
-#warning TASK_SIZE is smaller than it needs to be.
-#endif
-
-int mem_init_done;
unsigned long ioremap_bot = IMALLOC_BASE;
static unsigned long phbs_io_bot = PHBS_IO_BASE;
-extern pgd_t swapper_pg_dir[];
-extern struct task_struct *current_set[NR_CPUS];
-
-unsigned long klimit = (unsigned long)_end;
-
-/* max amount of RAM to use */
-unsigned long __max_memory;
-
-/* info on what we think the IO hole is */
-unsigned long io_hole_start;
-unsigned long io_hole_size;
-
#ifdef CONFIG_PPC_ISERIES
void __iomem *ioremap(unsigned long addr, unsigned long size)
@@ -355,3 +334,16 @@ int iounmap_explicit(volatile void __iomem *start, unsigned long size)
EXPORT_SYMBOL(ioremap);
EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
+
+void __iomem * reserve_phb_iospace(unsigned long size)
+{
+ void __iomem *virt_addr;
+
+ if (phbs_io_bot >= IMALLOC_BASE)
+ panic("reserve_phb_iospace(): phb io space overflow\n");
+
+ virt_addr = (void __iomem *) phbs_io_bot;
+ phbs_io_bot += size;
+
+ return virt_addr;
+}