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x86 32-bit Operating Systems Aren't Dead Yet: New Linux Patches Improve 32-bit PAE


The Linux x86 32-bit PAE kernel support for Physical Address Extensions allows addressing more than 4GB of memory for those still running 32-bit processors or otherwise opting to still run a 32-bit OS

While the Linux x86 32-bit specific code rarely sees new improvements in the past number of years, a set of patches were posted today in looking to enhance the x86 32-bit PAE mode. To much surprise this is a nice PAE improvement for the Linux kernel in 2025 for those making use of Page Table Isolation (PTI), which chances are you would be for the default CPU security mitigiations. Share your thoughts on this 2025 kernel activity in the forums.About The AuthorMichael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience.

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