num_extents_per_page 112 fs/ecryptfs/mmap.c loff_t num_extents_per_page = (PAGE_SIZE num_extents_per_page 116 fs/ecryptfs/mmap.c while (extent_num_in_page < num_extents_per_page) { num_extents_per_page 118 fs/ecryptfs/mmap.c * num_extents_per_page)