From mboxrd@z Thu Jan 1 00:00:00 1970 From: wj_nwpu@163.com (wangjun) Date: Tue, 11 Jan 2011 22:19:56 +0800 (CST) Subject: about arm_add_memory Message-ID: <7ce5e8c1.b773.12d757289fc.Coremail.wj_nwpu@163.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org in /arch/arm/kernel/setup.c static int __init arm_add_memory(unsigned long start, unsigned long size) ... size -= start & ~PAGE_MASK; bank->start = PAGE_ALIGN(start); bank->size = size & PAGE_MASK; bank->node = PHYS_TO_NID(start); ..... what size -= start & ~PAGE_MASK to do ? thanks! -------------- next part -------------- An HTML attachment was scrubbed... URL: