[$] Removing a pointer dereference from slab allocations
Date:
Thu, 15 Jan 2026 14:49:16 +0000
Description:
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.
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Link to news story:
https://lwn.net/Articles/1053870/
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