58  * add a contiguous set of pages into a ramfs inode when it's truncated from
65 	struct page *pages;  in ramfs_nommu_expand_for_mapping()  local
82 	/* allocate enough contiguous pages to be able to satisfy the  in ramfs_nommu_expand_for_mapping()
84 	pages = alloc_pages(gfp, order);  in ramfs_nommu_expand_for_mapping()
85 	if (!pages)  in ramfs_nommu_expand_for_mapping()
88 	/* split the high-order page into an array of single pages */  in ramfs_nommu_expand_for_mapping()
92 	split_page(pages, order);  in ramfs_nommu_expand_for_mapping()
94 	/* trim off any pages we don't actually require */  in ramfs_nommu_expand_for_mapping()
96 		__free_page(pages + loop);  in ramfs_nommu_expand_for_mapping()
100 	data = page_address(pages);  in ramfs_nommu_expand_for_mapping()
103 	/* attach all the pages to the inode's address space */  in ramfs_nommu_expand_for_mapping()
105 		struct page *page = pages + loop;  in ramfs_nommu_expand_for_mapping()
124 		__free_page(pages + loop++);  in ramfs_nommu_expand_for_mapping()
198  *   - the pages to be mapped must exist
199  *   - the pages be physically contiguous in sequence
207 	struct page **pages = NULL, **ptr, *page;  in ramfs_nommu_get_unmapped_area()  local
222 	/* gang-find the pages */  in ramfs_nommu_get_unmapped_area()
223 	pages = kcalloc(lpages, sizeof(struct page *), GFP_KERNEL);  in ramfs_nommu_get_unmapped_area()
224 	if (!pages)  in ramfs_nommu_get_unmapped_area()
227 	nr = find_get_pages_contig(inode->i_mapping, pgoff, lpages, pages);  in ramfs_nommu_get_unmapped_area()
229 		goto out_free_pages; /* leave if some pages were missing */  in ramfs_nommu_get_unmapped_area()
231 	/* check the pages for physical adjacency */  in ramfs_nommu_get_unmapped_area()
232 	ptr = pages;  in ramfs_nommu_get_unmapped_area()
240 	ret = (unsigned long) page_address(pages[0]);  in ramfs_nommu_get_unmapped_area()
243 	ptr = pages;  in ramfs_nommu_get_unmapped_area()
247 	kfree(pages);  in ramfs_nommu_get_unmapped_area()