Subj : [$] Slabs, sheaves, and barns
To   : All
From : LWN.net
Date : Mon Feb 24 2025 16:45:06

[$] Slabs, sheaves, and barns

Date:
Mon, 24 Feb 2025 16:29:58 +0000

Description:
The kernel's slab allocator is responsible for the allocation of small
(usually sub-page) chunks of memory.  For many workloads, the speed of
object allocation and freeing is one of the key factors in overall
performance, so it is not surprising that a lot of effort has gone into
optimizing the slab allocator over time.  Now that the kernel is down to a 
single slab allocator , the
memory-management developers have free rein to add complexity to it; the
latest move in that direction is the per-CPU
sheaves patch set from slab maintainer Vlastimil Babka.

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Link to news story:
https://lwn.net/Articles/1010667/


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