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mm/m68k: use common help functions to free reserved pages
Use common help functions to free reserved pages. Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -110,18 +110,7 @@ void __init paging_init(void)
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void free_initmem(void)
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{
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#ifndef CONFIG_MMU_SUN3
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unsigned long addr;
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addr = (unsigned long) __init_begin;
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for (; addr < ((unsigned long) __init_end); addr += PAGE_SIZE) {
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ClearPageReserved(virt_to_page(addr));
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init_page_count(virt_to_page(addr));
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free_page(addr);
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totalram_pages++;
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}
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pr_notice("Freeing unused kernel memory: %luk freed (0x%x - 0x%x)\n",
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(addr - (unsigned long) __init_begin) >> 10,
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(unsigned int) __init_begin, (unsigned int) __init_end);
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free_initmem_default(0);
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#endif /* CONFIG_MMU_SUN3 */
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}
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@ -213,15 +202,6 @@ void __init mem_init(void)
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#ifdef CONFIG_BLK_DEV_INITRD
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void free_initrd_mem(unsigned long start, unsigned long end)
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{
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int pages = 0;
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for (; start < end; start += PAGE_SIZE) {
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ClearPageReserved(virt_to_page(start));
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init_page_count(virt_to_page(start));
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free_page(start);
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totalram_pages++;
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pages++;
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}
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pr_notice("Freeing initrd memory: %dk freed\n",
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pages << (PAGE_SHIFT - 10));
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free_reserved_area(start, end, 0, "initrd");
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}
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#endif
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