long lttng_channel_syscall_mask(struct lttng_kernel_channel_buffer *channel,
struct lttng_kernel_abi_syscall_mask __user *usyscall_mask);
long lttng_channel_syscall_mask(struct lttng_kernel_channel_buffer *channel,
struct lttng_kernel_abi_syscall_mask __user *usyscall_mask);