mirror of https://gitee.com/openkylin/linux.git
powerpc: use generic show_mem()
Remove arch-specific show_mem() in favor of the generic version. This also removes the following redundant information display: - 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> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -186,45 +186,6 @@ walk_memory_resource(unsigned long start_pfn, unsigned long nr_pages, void *arg,
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}
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EXPORT_SYMBOL_GPL(walk_memory_resource);
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void show_mem(void)
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{
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unsigned long total = 0, reserved = 0;
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unsigned long shared = 0, cached = 0;
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unsigned long highmem = 0;
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struct page *page;
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pg_data_t *pgdat;
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unsigned long i;
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printk("Mem-info:\n");
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show_free_areas();
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for_each_online_pgdat(pgdat) {
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unsigned long flags;
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pgdat_resize_lock(pgdat, &flags);
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for (i = 0; i < pgdat->node_spanned_pages; i++) {
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if (!pfn_valid(pgdat->node_start_pfn + i))
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continue;
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page = pgdat_page_nr(pgdat, i);
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total++;
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if (PageHighMem(page))
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highmem++;
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if (PageReserved(page))
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reserved++;
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else if (PageSwapCache(page))
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cached++;
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else if (page_count(page))
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shared += page_count(page) - 1;
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}
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pgdat_resize_unlock(pgdat, &flags);
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}
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printk("%ld pages of RAM\n", total);
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#ifdef CONFIG_HIGHMEM
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printk("%ld pages of HIGHMEM\n", highmem);
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#endif
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printk("%ld reserved pages\n", reserved);
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printk("%ld pages shared\n", shared);
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printk("%ld pages swap cached\n", cached);
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}
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/*
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* Initialize the bootmem system and give it all the memory we
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* have available. If we are using highmem, we only put the
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