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mm/score: prepare for removing num_physpages and simplify mem_init()
Prepare for removing num_physpages and simplify mem_init(). Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Chen Liqin <liqin.chen@sunplusct.com> Cc: Lennox Wu <lennox.wu@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -75,33 +75,11 @@ void __init paging_init(void)
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void __init mem_init(void)
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{
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unsigned long codesize, reservedpages, datasize, initsize;
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unsigned long tmp, ram = 0;
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high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
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free_all_bootmem();
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setup_zero_page(); /* Setup zeroed pages. */
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reservedpages = 0;
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for (tmp = 0; tmp < max_low_pfn; tmp++)
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if (page_is_ram(tmp)) {
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ram++;
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if (PageReserved(pfn_to_page(tmp)))
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reservedpages++;
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}
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num_physpages = ram;
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codesize = (unsigned long) &_etext - (unsigned long) &_text;
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datasize = (unsigned long) &_edata - (unsigned long) &_etext;
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initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
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printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
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"%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n",
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(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
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ram << (PAGE_SHIFT-10), codesize >> 10,
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reservedpages << (PAGE_SHIFT-10), datasize >> 10,
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initsize >> 10,
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totalhigh_pages << (PAGE_SHIFT-10));
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mem_init_print_info(NULL);
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}
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#endif /* !CONFIG_NEED_MULTIPLE_NODES */
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