Al Viro does not often stray outside of the core virtual filesystem area; when he does, it is usually worthy of note. Recently, he wandered into memory management with this patch series to the slab allocator and some of its users. Kernel developers will often put considerable effort into small optimizations, but it is still interesting to look at just how much effort has gone toward the purpose of avoiding a single pointer dereference in some memory-allocation hot paths.
Source: https://lwn.net/Articles/1053870/
Aggregated via Linux News
Source: https://lwn.net/Articles/1053870/
Aggregated via Linux News
