Messages in this thread Patch in this message | | | From | Jiang Liu <> | Subject | [PATCH v2, part1 28/29] mm/metag: use common help functions to free reserved pages | Date | Sun, 10 Mar 2013 14:27:11 +0800 |
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Use common help functions to free reserved pages.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: linux-kernel@vger.kernel.org --- arch/metag/mm/init.c | 21 ++------------------- 1 file changed, 2 insertions(+), 19 deletions(-)
diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c index 504a398..c6784fb 100644 --- a/arch/metag/mm/init.c +++ b/arch/metag/mm/init.c @@ -412,32 +412,15 @@ void __init mem_init(void) return; } -static 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, POISON_FREE_INITMEM, PAGE_SIZE); - free_page(addr); - totalram_pages++; - } - pr_info("Freeing %s: %luk freed\n", what, (end - begin) >> 10); -} - void free_initmem(void) { - free_init_pages("unused kernel memory", - (unsigned long)(&__init_begin), - (unsigned long)(&__init_end)); + free_initmem_default(POISON_FREE_INITMEM); } #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - end = end & PAGE_MASK; - 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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