Subj : [$] The path to deprecating SPARSEMEM
To   : All
From : LWN.net
Date : Wed May 22 2024 20:00:07

[$] The path to deprecating SPARSEMEM

Date:
Wed, 22 May 2024 18:58:04 +0000

Description:
The term "memory model" is used in a couple of ways within the kernel.
Perhaps the more obscure meaning is the memory-management subsystem's view
of how physical memory is organized on a given system.  A proper
representation of physical memory will be more efficient in terms of memory
and CPU use.  Since hardware comes in numerous variations, the kernel
supports a number of memory models to match; see this article for details.  
At the 2024 Linux Storage,
Filesystem, Memory-Management and BPF Summit , Oscar Salvador,
presenting remotely, made the case for removing one of those models.

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Link to news story:
https://lwn.net/Articles/974517/


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