nr_free_buffer_pages 3344 fs/buffer.c    	nrpages = (nr_free_buffer_pages() * 10) / 100;
nr_free_buffer_pages 3186 fs/nfsd/nfs4state.c 	max_delegations = nr_free_buffer_pages() >> (20 - 2 - PAGE_SHIFT);
nr_free_buffer_pages  166 include/linux/swap.h extern unsigned int nr_free_buffer_pages(void);
nr_free_buffer_pages 4280 mm/page_alloc.c 	lowmem_kbytes = nr_free_buffer_pages() * (PAGE_SIZE >> 10);