Hi List,**** ** ** I am trying to compile a kernel module which uses the device mapper header files (dm.h and dm-bio-list.h). I checked in the stock kernel source that these files are present under drivers/md directory.**** When I try to build the module, it gives error for these header files as missing. I checked the Makefile and found that it includes the path (-I$(TOPDIR)/ drivers/md)**** ** ** But when I check the content of this directory on my machine it doesn’t include the header files:**** [root@localhost redhat]# ls /usr/src/kernels/2.6.18-8.el5-i686/drivers/md*** * Kconfig Makefile raid6test**** [root@localhost redhat]#**** ** ** While the other header files referred by the kernel module under include/linux directory exists.**** ** ** My machine detail:**** [adil@localhost ~]$ uname -a**** Linux localhost.localdomain 2.6.18-8.el5 #1 SMP Fri Jan 26 14:15:21 EST 2007 i686 i686 i386 GNU/Linux**** [adil@localhost ~]$**** ** ** Thanks in advance.**** ** Regards, Adil Mujeeb