HelenOS sources

IO_MEMMAP_PAGES    62 kernel/arch/ia64/src/ddi/ddi.c 		void *store = malloc(bitmap_size(IO_MEMMAP_PAGES));
IO_MEMMAP_PAGES    66 kernel/arch/ia64/src/ddi/ddi.c 		bitmap_initialize(task->arch.iomap, IO_MEMMAP_PAGES, store);
IO_MEMMAP_PAGES    67 kernel/arch/ia64/src/ddi/ddi.c 		bitmap_clear_range(task->arch.iomap, 0, IO_MEMMAP_PAGES);