diff options
| author | Jiang Liu <liuj97@gmail.com> | 2013-04-29 15:06:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 15:54:31 -0700 |
| commit | 88448b65a878525f63f9c0e4bdbf4e74d1960ad2 (patch) | |
| tree | 053596fddffae77b023b952eb190cb960494234f | |
| parent | 7265d80f06f9d265a329a24df3b65c5b8d3612ce (diff) | |
mm/SH: 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: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/sh/mm/init.c | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 105794037143..20f9ead650d3 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -417,15 +417,13 @@ void __init mem_init(void) for_each_online_node(nid) { pg_data_t *pgdat = NODE_DATA(nid); - unsigned long node_pages = 0; void *node_high_memory; num_physpages += pgdat->node_present_pages; if (pgdat->node_spanned_pages) - node_pages = free_all_bootmem_node(pgdat); + totalram_pages += free_all_bootmem_node(pgdat); - totalram_pages += node_pages; node_high_memory = (void *)__va((pgdat->node_start_pfn + pgdat->node_spanned_pages) << @@ -501,31 +499,13 @@ void __init mem_init(void) void free_initmem(void) { - unsigned long addr; - - addr = (unsigned long)(&__init_begin); - for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - free_page(addr); - totalram_pages++; - } - printk("Freeing unused kernel memory: %ldk freed\n", - ((unsigned long)&__init_end - - (unsigned long)&__init_begin) >> 10); + free_initmem_default(0); } #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - unsigned long p; - for (p = start; p < end; p += PAGE_SIZE) { - ClearPageReserved(virt_to_page(p)); - init_page_count(virt_to_page(p)); - free_page(p); - totalram_pages++; - } - printk("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + free_reserved_area(start, end, 0, "initrd"); } #endif |