diff options
| author | Jiang Liu <liuj97@gmail.com> | 2013-05-07 16:18:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-07 18:38:26 -0700 |
| commit | 70affe4520c6f22f5b22b58b589c6ebbe3f8cbc9 (patch) | |
| tree | a5d791be3fa2b58e9c527c9a1e0e0cfa2a94663f /arch/sparc/mm/init_32.c | |
| parent | 0f47c9423c0fe468d0b5b153f9b9d6e8e20707eb (diff) | |
mm/SPARC: 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: David S. Miller <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sparc/mm/init_32.c')
| -rw-r--r-- | arch/sparc/mm/init_32.c | 37 |
1 files changed, 3 insertions, 34 deletions
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c index 4490c397bb5..af472cf7c69 100644 --- a/arch/sparc/mm/init_32.c +++ b/arch/sparc/mm/init_32.c @@ -366,45 +366,14 @@ void __init mem_init(void) void free_initmem (void) { - unsigned long addr; - unsigned long freed; - - addr = (unsigned long)(&__init_begin); - freed = (unsigned long)(&__init_end) - addr; - for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { - struct page *p; - - memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE); - p = virt_to_page(addr); - - ClearPageReserved(p); - init_page_count(p); - __free_page(p); - totalram_pages++; - num_physpages++; - } - printk(KERN_INFO "Freeing unused kernel memory: %ldk freed\n", - freed >> 10); + num_physpages += free_initmem_default(POISON_FREE_INITMEM); } #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - if (start < end) - printk(KERN_INFO "Freeing initrd memory: %ldk freed\n", - (end - start) >> 10); - for (; start < end; start += PAGE_SIZE) { - struct page *p; - - memset((void *)start, POISON_FREE_INITMEM, PAGE_SIZE); - p = virt_to_page(start); - - ClearPageReserved(p); - init_page_count(p); - __free_page(p); - totalram_pages++; - num_physpages++; - } + num_physpages += free_reserved_area(start, end, POISON_FREE_INITMEM, + "initrd"); } #endif |