Kernel Coverage at LWN
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Zoned storage and filesystems
a discussion of a few issues around using zoned storage for filesystems.
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Cloud-storage optimizations
discussion on I/O hints for cloud-based emulated block devices—and how to see them get implemented relatively quickly.
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Atomic block-write operations
discussion on support for atomically writing data in sizes that are multiples of a device's block size.
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Flexible-order anonymous folios
the page cache can handle folios of multiple sizes; work is underway to bring the same flexibility to anonymous memory.
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Optimizing single-owner memory
a proposal to optimize the management of memory that will never be shared.
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Mitigating vmap lock contention
allocations in the kernel's vmap area can be subject to significant lock contention; this session looked at the problem and a proposed way to improve the situation.
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Improving page-fault scalability
the 2023 version of this regular LSFMM+BPF discussion.
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Code tagging and memory-allocation profiling
for the second year in a row, the memory-management developers consider the code-tagging patches.