VM_MAX_READAHEAD  130 block/blk-settings.c 			(VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
VM_MAX_READAHEAD  484 fs/fuse/inode.c 		fc->bdi.ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE;
VM_MAX_READAHEAD   26 mm/readahead.c 	.ra_pages	= VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE,