control can reduce the number of available pkeys. STANDARDS Linux. HISTORY Linux 4.9, glibc ... affecting access to that key. EXAMPLES See pkeys (7). SEE ALSO pkey_mprotect (2), pk…control can reduce the number of available pkeys. STANDARDS Linux. HISTORY Linux 4.9, glibc ... affecting access to that key. EXAMPLES See pkeys (7). SEE ALSO pkey_mprotect (2), pk…pkey argument specifies the protection key (see pkeys (7)) to assign to the memory ... this system call, see pkeys (7). RETURN VALUE On success, mprotect () and pkey_mprotect () re…pkey argument specifies the protection key (see pkeys (7)) to assign to the memory ... this system call, see pkeys (7). RETURN VALUE On success, mprotect () and pkey_mprotect () re…denied by memory protection keys. See pkeys (7). The protection key which applied to thisdenied by memory protection keys. See pkeys (7). The protection key which applied to this