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Linux Kernel 7.0 Speeds Up File Cache Memory Reclaim by Up to 75%

Summary by techpowerup.com
In the latest Linux kernel v7.0, freeing up system memory used for caching large files has received a noticeable performance boost. According to notes on the kernel mailing list, a new set of patches queued for the Linux 7.0 merge window showed reclaim speed improvements of up to 75% in testing. In one benchmark, developers allocated 10 GB of file-backed data in memory and then reclaimed 8 GB of it. On a 32-core Arm64 server, the reclaim process…
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2 Articles

techpowerup.comtechpowerup.com

Linux Kernel 7.0 Speeds Up File Cache Memory Reclaim by Up to 75%

In the latest Linux kernel v7.0, freeing up system memory used for caching large files has received a noticeable performance boost. According to notes on the kernel mailing list, a new set of patches queued for the Linux 7.0 merge window showed reclaim speed improvements of up to 75% in testing. In one benchmark, developers allocated 10 GB of file-backed data in memory and then reclaimed 8 GB of it. On a 32-core Arm64 server, the reclaim process…

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phoronix.comphoronix.com

Linux 7.0 Speeds Up Reclaiming File-Backed Large Folios By 50~75%

Merged on Wednesday were some additional memory management "MM" updates for the Linux 7.0 merge window. Most interesting out of these latest three dozen patches is support for batched unmapping of file-backed large folios...

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phoronix.com broke the news in on Thursday, February 19, 2026.
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