Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86

	struct page *pg, *next;

	struct list_head l;

	down_read(&init_mm.mmap_sem);

	/*

	 * Write-protect the semaphore, to exclude two contexts

	 * doing a list_replace_init() call in parallel and to

	 * exclude new additions to the deferred_pages list:

	 */

	down_write(&init_mm.mmap_sem);

	list_replace_init(&deferred_pages, &l);

	up_read(&init_mm.mmap_sem);

	up_write(&init_mm.mmap_sem);

	flush_map(&l);