From ccecb510a9b58f1e30a45f35897842f915c24c62 Mon Sep 17 00:00:00 2001 From: Jiang Liu Date: Mon, 29 Apr 2013 15:06:52 -0700 Subject: mm/unicore32: use common help functions to free reserved pages Use common help functions to free reserved pages. Signed-off-by: Jiang Liu Cc: Guan Xuetao Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/unicore32/mm/init.c | 28 +++------------------------- 1 file changed, 3 insertions(+), 25 deletions(-) (limited to 'arch/unicore32') diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c index 6444828..63df12d 100644 --- a/arch/unicore32/mm/init.c +++ b/arch/unicore32/mm/init.c @@ -316,24 +316,6 @@ void __init bootmem_init(void) max_pfn = max_high - PHYS_PFN_OFFSET; } -static inline int free_area(unsigned long pfn, unsigned long end, char *s) -{ - unsigned int pages = 0, size = (end - pfn) << (PAGE_SHIFT - 10); - - for (; pfn < end; pfn++) { - struct page *page = pfn_to_page(pfn); - ClearPageReserved(page); - init_page_count(page); - __free_page(page); - pages++; - } - - if (size && s) - printk(KERN_INFO "Freeing %s memory: %dK\n", s, size); - - return pages; -} - static inline void free_memmap(unsigned long start_pfn, unsigned long end_pfn) { @@ -407,9 +389,9 @@ void __init mem_init(void) max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map; - /* this will put all unused low memory onto the freelists */ free_unused_memmap(&meminfo); + /* this will put all unused low memory onto the freelists */ totalram_pages += free_all_bootmem(); reserved_pages = free_pages = 0; @@ -494,9 +476,7 @@ void __init mem_init(void) void free_initmem(void) { - totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)), - __phys_to_pfn(__pa(__init_end)), - "init"); + free_initmem_default(0); } #ifdef CONFIG_BLK_DEV_INITRD @@ -506,9 +486,7 @@ static int keep_initrd; void free_initrd_mem(unsigned long start, unsigned long end) { if (!keep_initrd) - totalram_pages += free_area(__phys_to_pfn(__pa(start)), - __phys_to_pfn(__pa(end)), - "initrd"); + free_reserved_area(start, end, 0, "initrd"); } static int __init keepinitrd_setup(char *__unused) -- cgit v1.1