[CRIU] [PATCH] criu: cgroup -- Don't use PAGE_SIZE inside parasite args

[Laurent Dufour]

On 25/02/2016 08:18, Cyrill Gorcunov wrote:
> This cause problem on ppc64
> 
>  | gcc -c -O2 -g -Wall -Werror -DCONFIG_PPC64 -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
>  | -fno-strict-aliasing -iquote /home/cyrill/criu/criu/include -iquote /home/cyrill/criu/images
>  | -iquote /home/cyrill/criu/criu/pie -iquote /home/cyrill/criu/criu/arch/ppc64
>  | -iquote /home/cyrill/criu/criu/arch/ppc64/include -iquote /home/cyrill/criu/ -I/usr/include/libnl3
>  | -iquote ppc64 -DCONFIG_PPC64 -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE parasite-syscall.c -o parasite-syscall.o
>  | parasite-syscall.c: In function ‘parasite_dump_cgroup’:
>  | parasite-syscall.c:1283:2: error: size of unnamed array is negative
>  |   ca = parasite_args(ctl, struct parasite_dump_cgroup_args);
>  |   ^
>  | /home/cyrill/criu/scripts/nmk/scripts/rules.mk:53: recipe for target 'parasite-syscall.o' failed
> 
> Just use size parasite known to support.
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>

Acked-by: Laurent Dufour <ldufour at linux.vnet.ibm.com>

This is better to not rely on PAGE_SIZE to size buffer since this could
be very large on some systems.

Thanks Cyrill,
Laurent.