181  * The number of empty populated pages, protected by pcpu_lock.
187  * The number of populated pages in use by the allocator, protected by
196  * try to keep the number of populated free pages between
1058  * pcpu_is_populated - determines if the region is populated
1064  * For atomic allocations, check if the backing pages are populated.
1067  * Bool if the backing pages are populated.
1079 	bitmap_next_clear_region(chunk->populated, &rs, &re, page_end);  in pcpu_is_populated()
1092  * @pop_only: use populated regions only
1363 	alloc_size = struct_size(chunk, populated,  in pcpu_alloc_first_chunk()
1404 	/* manage populated page bitmap */  in pcpu_alloc_first_chunk()
1406 	bitmap_fill(chunk->populated, chunk->nr_pages);  in pcpu_alloc_first_chunk()
1515  * @chunk: pcpu_chunk which got populated
1519  * Pages in [@page_start,@page_end) have been populated to @chunk.  Update
1530 	bitmap_set(chunk->populated, page_start, nr);  in pcpu_chunk_populated()
1554 	bitmap_clear(chunk->populated, page_start, nr);  in pcpu_chunk_depopulated()
1859 		bitmap_for_each_clear_region(chunk->populated, rs, re,  in pcpu_alloc()
1977  * @empty_only: free chunks only if there are no populated pages
1980  * number of populated pages.  Otherwise, only reclaim chunks that have no
1981  * populated pages.
2016 		bitmap_for_each_set_region(chunk->populated, rs, re, 0,  in pcpu_balance_free()
2030  * pcpu_balance_populated - manage the amount of populated pages
2032  * Maintain a certain amount of populated pages to satisfy atomic allocations.
2051 	 * Ensure there are certain number of free populated pages for  in pcpu_balance_populated()
2087 		bitmap_for_each_clear_region(chunk->populated, rs, re, 0,  in pcpu_balance_populated()
2123  * Scan over chunks in the depopulate list and try to release unused populated
2127  * populated pages threshold, reintegrate the chunk if it has empty free pages.
2128  * Each chunk is scanned in the reverse order to keep populated pages close to
2149 	 * allocator not touching the populated bitmap.  in pcpu_reclaim_populated()
2157 		 * Scan chunk's pages in the reverse order to keep populated  in pcpu_reclaim_populated()
2175 			 * If the page is empty and populated, start or  in pcpu_reclaim_populated()
2182 			    test_bit(i, chunk->populated)) {  in pcpu_reclaim_populated()
2227  * pcpu_balance_workfn - manage the amount of free chunks and populated pages
2231  * populated pages.  An important thing to consider is when pages are freed and
2711 	pcpu_chunk_struct_size = struct_size(chunk, populated,  in pcpu_setup_first_chunk()
3228 		/* pte already populated, the following shouldn't fail */  in pcpu_page_first_chunk()
3352  * pcpu_nr_pages - calculate total number of populated backing pages
3354  * This reflects the number of pages populated to back chunks.  Metadata is
3360  * Total number of populated backing pages in use by the allocator.