Justus Winter <4win...@informatik.uni-hamburg.de> skribis: > Previously, the size of struct kmem_cache was 136 bytes, just eight > bytes larger than 128 bytes, which is typically two cache lines on > today's CPUs. > > By reducing the size of the name field which holds a human-readable > description by eight bytes to 24 bytes, the struct kmem_cache can be > made fit into two cache lines. This change should not affect the > usefulness of this field. For reference, the length of the largest > hard-coded name is 17.
I think it’d be worth keeping the explanation in a comment above the macro definition. Ludo’.
