2.6.22 ovz kernel is in early alpha, and chechpointing functionality is
not yet fully ported. For now, you have to deselect it if you want to
try compiling that kernel.

Also note the latest 2.6.22 patches can be found in git.openvz.org.

Albert Czarnecki wrote:
> Hi
>
> I trying compiling kernel 2.6.22-6 and patch
> patch-ovz002.1-combined.gz
> <http://download.openvz.org/kernel/branches/2.6.22/2.6.22-ovz002.1/patches//patch-ovz002.1-combined.gz>
> but I having some error
>
> CC [M]  kernel/cpt/cpt_dump.o
> kernel/cpt/cpt_dump.c: In function 'check_process_external':
> kernel/cpt/cpt_dump.c:129: error: 'struct pid' has no member named 'ns'
> kernel/cpt/cpt_dump.c:131: error: 'struct pid' has no member named 'ns'
> kernel/cpt/cpt_dump.c:133: error: 'struct pid' has no member named 'ns'
> kernel/cpt/cpt_dump.c:171:31: error: macro "find_task_by_pid_ns"
> requires 2 arguments, but only 1 given
> kernel/cpt/cpt_dump.c: In function 'vps_stop_tasks':
> kernel/cpt/cpt_dump.c:171: error: 'find_task_by_pid_ns' undeclared
> (first use in this function)
> kernel/cpt/cpt_dump.c:171: error: (Each undeclared identifier is
> reported only once
> kernel/cpt/cpt_dump.c:171: error: for each function it appears in.)
> kernel/cpt/cpt_dump.c:184: warning: implicit declaration of function
> 'virt_pid'
> kernel/cpt/cpt_dump.c:199: warning: implicit declaration of function
> 'process_vgroup'
> kernel/cpt/cpt_dump.c:205: warning: implicit declaration of function
> 'process_vsession'
> kernel/cpt/cpt_dump.c:592:30: error: macro "find_task_by_pid_ns"
> requires 2 arguments, but only 1 given
> kernel/cpt/cpt_dump.c: In function 'vps_collect_tasks':
> kernel/cpt/cpt_dump.c:592: error: 'find_task_by_pid_ns' undeclared
> (first use in this function)
> kernel/cpt/cpt_dump.c:1129:30: error: macro "find_task_by_pid_ns"
> requires 2 arguments, but only 1 given
> kernel/cpt/cpt_dump.c: In function 'cpt_vps_caps':
> kernel/cpt/cpt_dump.c:1129: error: 'find_task_by_pid_ns' undeclared
> (first use in this function)
> make[3]: *** [kernel/cpt/cpt_dump.o] Błąd 1
> make[2]: *** [kernel/cpt] Błąd 2
> make[1]: *** [kernel] Błąd 2
> make[1]: Opuszczenie katalogu `/usr/src/linux-2.6.22.6'
> make: *** [debian/stamp-build-kernel] Błąd 2
>
> gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21) System is a
> debian etch 4.0 /
>
> Albert