../kernel/events/uprobes.c:2141:17: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2141:17:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2141:17:    struct return_instance *
../kernel/events/uprobes.c:2220:17: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2220:17:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2220:17:    struct return_instance *
../kernel/events/uprobes.c:2284:9: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2284:9:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2284:9:    struct return_instance *
../kernel/events/uprobes.c:2648:25: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2648:25:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2648:25:    struct return_instance *
../kernel/events/uprobes.c:564:17: warning: context imbalance in 'uprobe_write_opcode' - unexpected unlock
../kernel/events/uprobes.c:750:17: warning: context imbalance in 'hprobe_finalize' - unexpected unlock
../kernel/events/uprobes.c:822:25: warning: context imbalance in 'hprobe_expire' - unexpected unlock
../kernel/events/uprobes.c: note: in included file (through ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/xarray.h, ../include/linux/list_lru.h, ../include/linux/fs.h, ...):
../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rbtree.h:74:9:    struct rb_node [noderef] __rcu *
../include/linux/rbtree.h:74:9:    struct rb_node *
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../kernel/events/uprobes.c:2141:17: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2141:17:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2141:17:    struct return_instance *
../kernel/events/uprobes.c:2220:17: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2220:17:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2220:17:    struct return_instance *
../kernel/events/uprobes.c:2284:9: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2284:9:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2284:9:    struct return_instance *
../kernel/events/uprobes.c:2648:25: error: incompatible types in comparison expression (different address spaces):
../kernel/events/uprobes.c:2648:25:    struct return_instance [noderef] __rcu *
../kernel/events/uprobes.c:2648:25:    struct return_instance *
../kernel/events/uprobes.c:564:17: warning: context imbalance in 'uprobe_write_opcode' - unexpected unlock
../kernel/events/uprobes.c:750:17: warning: context imbalance in 'hprobe_finalize' - unexpected unlock
../kernel/events/uprobes.c:822:25: warning: context imbalance in 'hprobe_expire' - unexpected unlock
../kernel/events/uprobes.c: note: in included file (through ../include/linux/mm_types.h, ../include/linux/mmzone.h, ../include/linux/gfp.h, ../include/linux/xarray.h, ../include/linux/list_lru.h, ../include/linux/fs.h, ...):
../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rbtree.h:74:9:    struct rb_node [noderef] __rcu *
../include/linux/rbtree.h:74:9:    struct rb_node *
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?