31 static struct page *alloc_hugetlb_page(void)  in alloc_hugetlb_page()
34 	struct page *page;  in alloc_hugetlb_page()  local
42 	page = list_entry(htlbpage_freelist.next, struct page, list);  in alloc_hugetlb_page()
43 	list_del(&page->list);  in alloc_hugetlb_page()
46 	set_page_count(page, 1);  in alloc_hugetlb_page()
48 		clear_highpage(&page[i]);  in alloc_hugetlb_page()
49 	return page;  in alloc_hugetlb_page()
89 	      struct page *page, pte_t * page_table, int write_access)  in set_huge_pte()  argument
96 		    pte_mkwrite(pte_mkdirty(mk_pte(page, vma->vm_page_prot)));  in set_huge_pte()
98 		entry = pte_wrprotect(mk_pte(page, vma->vm_page_prot));  in set_huge_pte()
186 	struct page *ptepage;  in copy_hugetlb_page_range()
209 		    struct page **pages, struct vm_area_struct **vmas,  in follow_hugetlb_page()
216 	struct page *page;  in follow_hugetlb_page()  local
224 		page = pte_page(pte);  in follow_hugetlb_page()
226 			page += ((start & ~HPAGE_MASK) >> PAGE_SHIFT);  in follow_hugetlb_page()
227 			pages[i] = page;  in follow_hugetlb_page()
243 void free_huge_page(struct page *page)  in free_huge_page()  argument
245 	BUG_ON(page_count(page));  in free_huge_page()
246 	BUG_ON(page->mapping);  in free_huge_page()
248 	INIT_LIST_HEAD(&page->list);  in free_huge_page()
251 	list_add(&page->list, &htlbpage_freelist);  in free_huge_page()
256 void huge_page_release(struct page *page)  in huge_page_release()  argument
258 	if (!put_page_testzero(page))  in huge_page_release()
261 	free_huge_page(page);  in huge_page_release()
269 	struct page *page;  in unmap_hugepage_range()  local
278 		page = pte_page(*pte);  in unmap_hugepage_range()
279 		huge_page_release(page);  in unmap_hugepage_range()
308 		struct page *page;  in hugetlb_prefault()  local
319 		page = find_get_page(mapping, idx);  in hugetlb_prefault()
320 		if (!page) {  in hugetlb_prefault()
326 			page = alloc_hugetlb_page();  in hugetlb_prefault()
327 			if (!page) {  in hugetlb_prefault()
332 			add_to_page_cache(page, mapping, idx);  in hugetlb_prefault()
333 			unlock_page(page);  in hugetlb_prefault()
335 		set_huge_pte(mm, vma, page, pte, vma->vm_flags & VM_WRITE);  in hugetlb_prefault()
365 void update_and_free_page(struct page *page)  in update_and_free_page()  argument
368 	struct page *map;  in update_and_free_page()
370 	map = page;  in update_and_free_page()
378 	set_page_count(page, 1);  in update_and_free_page()
379 	__free_pages(page, HUGETLB_PAGE_ORDER);  in update_and_free_page()
385 	struct page *page, *map;  in try_to_free_low()  local
398 		page = list_entry(p, struct page, list);  in try_to_free_low()
399 		if ((page_zone(page))->name[0] != 'H') //Look for non-Highmem zones.  in try_to_free_low()
400 			map = page;  in try_to_free_low()
415 	struct page *page, *map;  in set_hugetlb_mem_size()  local
426 			page = alloc_pages(__GFP_HIGHMEM, HUGETLB_PAGE_ORDER);  in set_hugetlb_mem_size()
427 			if (page == NULL)  in set_hugetlb_mem_size()
429 			map = page;  in set_hugetlb_mem_size()
435 			list_add(&page->list, &htlbpage_freelist);  in set_hugetlb_mem_size()
445 		page = alloc_hugetlb_page();  in set_hugetlb_mem_size()
446 		if (page == NULL)  in set_hugetlb_mem_size()
449 		update_and_free_page(page);  in set_hugetlb_mem_size()
473 	struct page *page;  in hugetlb_init()  local
476 		page = alloc_pages(__GFP_HIGHMEM, HUGETLB_PAGE_ORDER);  in hugetlb_init()
477 		if (!page)  in hugetlb_init()
480 			SetPageReserved(&page[j]);  in hugetlb_init()
482 		list_add(&page->list, &htlbpage_freelist);  in hugetlb_init()
509 static struct page *hugetlb_nopage(struct vm_area_struct * area, unsigned long address, int unused)  in hugetlb_nopage()