To whom it may concern: I received the following compile error while compiling the 2.6.15.5 kernel. My .config is attached. Mark CC fs/nfs/direct.o fs/nfs/direct.c: In function ‘nfs_get_user_pages’: fs/nfs/direct.c:110: warning: implicit declaration of function ‘nfs_free_user_pages’ fs/nfs/direct.c: At top level: fs/nfs/direct.c:127: warning: conflicting types for ‘nfs_free_user_pages’ fs/nfs/direct.c:127: error: static declaration of ‘nfs_free_user_pages’ follows non-static declaration fs/nfs/direct.c:110: error: previous implicit declaration of ‘nfs_free_user_pages’ was here make[2]: *** [fs/nfs/direct.o] Error 1 make[1]: *** [fs/nfs] Error 2 make: *** [fs] Error 2 linux:/usr/src/linux-2.6.15.5