cc -O2 -Werror -Wall -Wmissing-prototypes -Wstrict-prototypes -Wpointer-arith -Wno-uninitialized -Wno-main -I. -I../../../../arch -I../../../.. -nostdinc -DLK M -DMAXUSERS=32 -D_KERNEL -Di386 -c ../../../../kern/kern_malloc.c what does that mean? It always comes, during compilation of new kernel. Nicolas