2 files changed, 28 insertions, 24 deletions

diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 1f954a238a63..31819c58bffa 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -107,8 +107,6 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address,
         }
 }
 
-#define __weak __attribute__((weak))
-
 static char cache_panic[] __initdata = "Yeee, unsupported cache architecture.";
 
 void __init cpu_cache_init(void)
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 49065c133ebf..125a4a85ec05 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -341,7 +341,6 @@ static int __init page_is_ram(unsigned long pagenr)
 void __init paging_init(void)
 {
         unsigned long zones_size[MAX_NR_ZONES] = { 0, };
-        unsigned long max_dma, low;
 #ifndef CONFIG_FLATMEM
         unsigned long zholes_size[MAX_NR_ZONES] = { 0, };
         unsigned long i, j, pfn;
@@ -354,19 +353,19 @@ void __init paging_init(void)
 #endif
         kmap_coherent_init();
 
-        max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
-        low = max_low_pfn;
-
 #ifdef CONFIG_ISA
-        if (low < max_dma)
-                zones_size[ZONE_DMA] = low;
-        else {
-                zones_size[ZONE_DMA] = max_dma;
-                zones_size[ZONE_NORMAL] = low - max_dma;
-        }
-#else
-        zones_size[ZONE_DMA] = low;
+        if (max_low_pfn >= MAX_DMA_PFN)
+                if (min_low_pfn >= MAX_DMA_PFN) {
+                        zones_size[ZONE_DMA] = 0;
+                        zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
+                } else {
+                        zones_size[ZONE_DMA] = MAX_DMA_PFN - min_low_pfn;
+                        zones_size[ZONE_NORMAL] = max_low_pfn - MAX_DMA_PFN;
+                }
+        else
 #endif
+        zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
+
 #ifdef CONFIG_HIGHMEM
         zones_size[ZONE_HIGHMEM] = highend_pfn - highstart_pfn;
 
@@ -467,7 +466,7 @@ void __init mem_init(void)
 }
 #endif /* !CONFIG_NEED_MULTIPLE_NODES */
 
-static void free_init_pages(char *what, unsigned long begin, unsigned long end)
+void free_init_pages(const char *what, unsigned long begin, unsigned long end)
 {
         unsigned long pfn;
 
@@ -493,18 +492,25 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 }
 #endif
 
-extern unsigned long prom_free_prom_memory(void);
-
 void free_initmem(void)
 {
-        unsigned long freed;
-
-        freed = prom_free_prom_memory();
-        if (freed)
-                printk(KERN_INFO "Freeing firmware memory: %ldkb freed\n",
-                       freed >> 10);
-
+        prom_free_prom_memory();
         free_init_pages("unused kernel memory",
                         __pa_symbol(&__init_begin),
                         __pa_symbol(&__init_end));
 }
+
+unsigned long pgd_current[NR_CPUS];
+/*
+ * On 64-bit we've got three-level pagetables with a slightly
+ * different layout ...
+ */
+#define __page_aligned(order) __attribute__((__aligned__(PAGE_SIZE<<order)))
+pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
+#ifdef CONFIG_64BIT
+#ifdef MODULE_START
+pgd_t module_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
+#endif
+pmd_t invalid_pmd_table[PTRS_PER_PMD] __page_aligned(PMD_ORDER);
+#endif
+pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);