There is an issue with psmisc that fails to build due to names clash.
This is the type of the problem this patch is resolving:
In file included from /usr/include/sys/user.h:11:0,
from peekfd.c:33:
/usr/include/bits/user.h:1:8: error: redefinition of 'struct pt_regs'
struct pt_regs {
^~~~~~~
In file included from peekfd.c:30:0:
/usr/include/asm/ptrace.h:31:8: note: originally defined here
struct pt_regs {
^~~~~~~