x86, cpa: no need to check alias for __set_pages_p/__set_pages_np

				.mask_clr = __pgprot(0),

				.flags = 0};

	return __change_page_attr_set_clr(&cpa, 1);

	/*

	 * No alias checking needed for setting present flag. otherwise,

	 * we may need to break large pages for 64-bit kernel text

	 * mappings (this adds to complexity if we want to do this from

	 * atomic context especially). Let's keep it simple!

	 */

	return __change_page_attr_set_clr(&cpa, 0);

}

static int __set_pages_np(struct page *page, int numpages)

				.mask_clr = __pgprot(_PAGE_PRESENT | _PAGE_RW),

				.flags = 0};

	return __change_page_attr_set_clr(&cpa, 1);

	/*

	 * No alias checking needed for setting not present flag. otherwise,

	 * we may need to break large pages for 64-bit kernel text

	 * mappings (this adds to complexity if we want to do this from

	 * atomic context especially). Let's keep it simple!

	 */

	return __change_page_attr_set_clr(&cpa, 0);

}

void kernel_map_pages(struct page *page, int numpages, int enable)

	/*

	 * The return value is ignored as the calls cannot fail.

	 * Large pages are kept enabled at boot time, and are

	 * split up quickly with DEBUG_PAGEALLOC. If a splitup

	 * fails here (due to temporary memory shortage) no damage

	 * is done because we just keep the largepage intact up

	 * to the next attempt when it will likely be split up:

	 * Large pages for identity mappings are not used at boot time

	 * and hence no memory allocations during large page split.

	 */

	if (enable)

		__set_pages_p(page, numpages);