nr_unswapped      108 mm/shmem.c     	pgoff_t nr_unswapped;	/* how often writepage refused to swap out */
nr_unswapped     1344 mm/shmem.c     				shmem_falloc->nr_unswapped++;
nr_unswapped     2796 mm/shmem.c     	shmem_falloc.nr_unswapped = 0;
nr_unswapped     2810 mm/shmem.c     		else if (shmem_falloc.nr_unswapped > shmem_falloc.nr_falloced)