avail_pgs         996 mm/swapfile.c  	long avail_pgs;
avail_pgs        1003 mm/swapfile.c  	avail_pgs = atomic_long_read(&nr_swap_pages) / size;
avail_pgs        1004 mm/swapfile.c  	if (avail_pgs <= 0)
avail_pgs        1010 mm/swapfile.c  	if (n_goal > avail_pgs)
avail_pgs        1011 mm/swapfile.c  		n_goal = avail_pgs;