[SPARC64]: Give move verbose show_mem() output just like i386.

We now report everything i386 does except for highmem which
doesn't apply.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 37 insertions, 2 deletions

diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 6fa78c5a30c4..97b5ebc91165 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -421,12 +421,47 @@ void __kprobes flush_icache_range(unsigned long start, unsigned long end)
 
 void show_mem(void)
 {
+        unsigned long total = 0, reserved = 0;
+        unsigned long shared = 0, cached = 0;
+        pg_data_t *pgdat;
+
         printk(KERN_INFO "Mem-info:\n");
         show_free_areas();
         printk(KERN_INFO "Free swap:       %6ldkB\n",
                nr_swap_pages << (PAGE_SHIFT-10));
-        printk(KERN_INFO "%ld pages of RAM\n", num_physpages);
-        printk(KERN_INFO "%lu free pages\n", nr_free_pages());
+        for_each_online_pgdat(pgdat) {
+                unsigned long i, flags;
+
+                pgdat_resize_lock(pgdat, &flags);
+                for (i = 0; i < pgdat->node_spanned_pages; i++) {
+                        struct page *page = pgdat_page_nr(pgdat, i);
+                        total++;
+                        if (PageReserved(page))
+                                reserved++;
+                        else if (PageSwapCache(page))
+                                cached++;
+                        else if (page_count(page))
+                                shared += page_count(page) - 1;
+                }
+                pgdat_resize_unlock(pgdat, &flags);
+        }
+
+        printk(KERN_INFO "%lu pages of RAM\n", total);
+        printk(KERN_INFO "%lu reserved pages\n", reserved);
+        printk(KERN_INFO "%lu pages shared\n", shared);
+        printk(KERN_INFO "%lu pages swap cached\n", cached);
+
+        printk(KERN_INFO "%lu pages dirty\n",
+               global_page_state(NR_FILE_DIRTY));
+        printk(KERN_INFO "%lu pages writeback\n",
+               global_page_state(NR_WRITEBACK));
+        printk(KERN_INFO "%lu pages mapped\n",
+               global_page_state(NR_FILE_MAPPED));
+        printk(KERN_INFO "%lu pages slab\n",
+                global_page_state(NR_SLAB_RECLAIMABLE) +
+                global_page_state(NR_SLAB_UNRECLAIMABLE));
+        printk(KERN_INFO "%lu pages pagetables\n",
+               global_page_state(NR_PAGETABLE));
 }
 
 void mmu_info(struct seq_file *m)