taglinefilesource code
min_free_pages545fs/buffer.cwhile (nr_free_pages > min_free_pages*2 && needed > 0 &&
min_free_pages689fs/buffer.cif (nr_free_pages > min_free_pages + 5) {
min_free_pages1727fs/buffer.cif (nr_free_pages > min_free_pages*2) 
min_free_pages124include/linux/mm.hextern int min_free_pages;
min_free_pages37mm/swap.cint min_free_pages = 20;
min_free_pages847mm/swap.creserved_pages = min_free_pages;
min_free_pages1317mm/swap.cmin_free_pages = i;