r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000180)='/proc/slabinfo\x00', 0x0, 0x0)
mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x13, r0, 0x10000000)