r0 = getpgrp(0x0)
r1 = pidfd_open(r0, 0x0)
process_madvise(r1, &(0x7f00000024c0)=[{&(0x7f0000000000)="ea", 0x1}, {&(0x7f0000000040)="c5", 0x1}], 0x2, 0x0, 0x0)