r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000600)='/proc/slabinfo\x00', 0x0, 0x0)
readv(r0, &(0x7f0000001c00)=[{&(0x7f0000000640)=""/50, 0x32}, {&(0x7f0000000680)=""/221, 0xdd}, {&(0x7f0000000780)=""/139, 0x8b}, {&(0x7f0000000840)=""/144, 0x90}, {&(0x7f0000000900)=""/162, 0xa2}, {&(0x7f00000009c0)=""/4096, 0x1000}], 0x6)