Remove arch-specific show_mem() in favor of the generic version.

This also removes the following redundant information display:

	- free pages, printed by show_free_areas()
	- pages in slab, printed by show_free_areas()
	- pages in swapcache, printed by show_swap_cache_info()

where show_mem() calls show_free_areas(), which calls
show_swap_cache_info().

Signed-off-by: Johannes Weiner <hannes@saeurebad.de>
Acked-by: Paul Mundt <lethal@linux-sh.org>
---

Index: tree-linus/arch/sh/Kconfig
===================================================================
--- tree-linus.orig/arch/sh/Kconfig
+++ tree-linus/arch/sh/Kconfig
@@ -10,6 +10,7 @@ config SUPERH
 	select EMBEDDED
 	select HAVE_IDE
 	select HAVE_OPROFILE
+	select HAVE_GENERIC_SHOW_MEM
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
Index: tree-linus/arch/sh/mm/init.c
===================================================================
--- tree-linus.orig/arch/sh/mm/init.c
+++ tree-linus/arch/sh/mm/init.c
@@ -25,46 +25,6 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_ga
 pgd_t swapper_pg_dir[PTRS_PER_PGD];
 unsigned long cached_to_uncached = 0;
 
-void show_mem(void)
-{
-	int total = 0, reserved = 0, free = 0;
-	int shared = 0, cached = 0, slab = 0;
-	pg_data_t *pgdat;
-
-	printk("Mem-info:\n");
-	show_free_areas();
-
-	for_each_online_pgdat(pgdat) {
-		unsigned long flags, i;
-
-		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 (PageSlab(page))
-				slab++;
-			else if (!page_count(page))
-				free++;
-			else
-				shared += page_count(page) - 1;
-		}
-		pgdat_resize_unlock(pgdat, &flags);
-	}
-
-	printk("%d pages of RAM\n", total);
-	printk("%d free pages\n", free);
-	printk("%d reserved pages\n", reserved);
-	printk("%d slab pages\n", slab);
-	printk("%d pages shared\n", shared);
-	printk("%d pages swap cached\n", cached);
-	printk(KERN_INFO "Total of %ld pages in page table cache\n",
-	       quicklist_total_size());
-}
-
 #ifdef CONFIG_MMU
 static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
 {

-- 

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