r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/resume', 0xc0102, 0x0)
r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000200)='/proc/vmstat\x00', 0x0, 0x0)
sendfile(r0, r1, 0x0, 0x4)