RACCT_SHMSIZE
[RACCT_SHMSIZE] =
{ "shmsize", RACCT_SHMSIZE },
racct_sub_cred(shmseg->cred, RACCT_SHMSIZE, size);
if (racct_add(td->td_proc, RACCT_SHMSIZE, size)) {
racct_sub(td->td_proc, RACCT_SHMSIZE, size);