-/* Thread ID - the internal kernel "pid" */
-SYSCALL_DEFINE0(gettid)
-{
- return task_pid_vnr(current);
-}
-
-/**
- * do_sysinfo - fill in sysinfo struct
- * @info: pointer to buffer to fill
- */
-int do_sysinfo(struct sysinfo *info)
-{
- unsigned long mem_total, sav_total;
- unsigned int mem_unit, bitcount;
- struct timespec tp;
-
- memset(info, 0, sizeof(struct sysinfo));
-
- ktime_get_ts(&tp);
- monotonic_to_bootbased(&tp);
- info->uptime = tp.tv_sec + (tp.tv_nsec ? 1 : 0);
-
- get_avenrun(info->loads, 0, SI_LOAD_SHIFT - FSHIFT);
-
- info->procs = nr_threads;
-
- si_meminfo(info);
- si_swapinfo(info);
-
- /*
- * If the sum of all the available memory (i.e. ram + swap)
- * is less than can be stored in a 32 bit unsigned long then
- * we can be binary compatible with 2.2.x kernels. If not,
- * well, in that case 2.2.x was broken anyways...
- *
- * -Erik Andersen <andersee@debian.org>
- */
-
- mem_total = info->totalram + info->totalswap;
- if (mem_total < info->totalram || mem_total < info->totalswap)
- goto out;
- bitcount = 0;
- mem_unit = info->mem_unit;
- while (mem_unit > 1) {
- bitcount++;
- mem_unit >>= 1;
- sav_total = mem_total;
- mem_total <<= 1;
- if (mem_total < sav_total)
- goto out;
- }
-
- /*
- * If mem_total did not overflow, multiply all memory values by
- * info->mem_unit and set it to 1. This leaves things compatible
- * with 2.2.x, and also retains compatibility with earlier 2.4.x
- * kernels...
- */
-
- info->mem_unit = 1;
- info->totalram <<= bitcount;
- info->freeram <<= bitcount;
- info->sharedram <<= bitcount;
- info->bufferram <<= bitcount;
- info->totalswap <<= bitcount;
- info->freeswap <<= bitcount;
- info->totalhigh <<= bitcount;
- info->freehigh <<= bitcount;
-
-out:
- return 0;
-}
-
-SYSCALL_DEFINE1(sysinfo, struct sysinfo __user *, info)
-{
- struct sysinfo val;
-
- do_sysinfo(&val);
-
- if (copy_to_user(info, &val, sizeof(struct sysinfo)))
- return -EFAULT;
-
- return 0;
-}
-