nr_free_pagecache_pages  167 include/linux/swap.h extern unsigned int nr_free_pagecache_pages(void);
nr_free_pagecache_pages  433 mm/memory_hotplug.c 		vm_total_pages = nr_free_pagecache_pages();
nr_free_pagecache_pages  837 mm/memory_hotplug.c 	vm_total_pages = nr_free_pagecache_pages();
nr_free_pagecache_pages 2409 mm/page_alloc.c 	vm_total_pages = nr_free_pagecache_pages();