Messages in this thread Patch in this message | | | From | Jiang Liu <> | Subject | [PATCH v2, part1 15/29] mm/mn10300: use common help functions to free reserved pages | Date | Sun, 10 Mar 2013 14:26:58 +0800 |
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Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com> --- arch/mn10300/mm/init.c | 23 ++--------------------- 1 file changed, 2 insertions(+), 21 deletions(-)
diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c index e57e5bc..5a8ace6 100644 --- a/arch/mn10300/mm/init.c +++ b/arch/mn10300/mm/init.c @@ -139,30 +139,11 @@ void __init mem_init(void) } /* - * - */ -void free_init_pages(char *what, unsigned long begin, unsigned long end) -{ - unsigned long addr; - - for (addr = begin; addr < end; addr += PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - init_page_count(virt_to_page(addr)); - memset((void *) addr, 0xcc, PAGE_SIZE); - free_page(addr); - totalram_pages++; - } - printk(KERN_INFO "Freeing %s: %ldk freed\n", what, (end - begin) >> 10); -} - -/* * recycle memory containing stuff only required for initialisation */ void free_initmem(void) { - free_init_pages("unused kernel memory", - (unsigned long) &__init_begin, - (unsigned long) &__init_end); + free_initmem_default(POISON_FREE_INITMEM); } /* @@ -171,6 +152,6 @@ void free_initmem(void) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_init_pages("initrd memory", start, end); + free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd"); } #endif -- 1.7.9.5
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