CONFIG_EROFS_FS_ZIP_LZMA_DEFAULT_MAX_STREAMS: EROFS LZMA default maximum decompression streams

General informations

The Linux kernel configuration item CONFIG_EROFS_FS_ZIP_LZMA_DEFAULT_MAX_STREAMS:

• prompt: EROFS LZMA default maximum decompression streams
• type: int
• depends on: CONFIG_EROFS_FS_ZIP_LZMA
• defined in fs/erofs/Kconfig
• found in Linux kernels: 7.2-rc+HEAD

Help text

By default EROFS allocates one LZMA decompression stream per CPU. Each stream can hold a dictionary of up to 8 MiB taken from the mounted image, so on systems with many CPUs this can reserve a lot of memory. This caps the default; the lzma_streams module parameter still overrides it.

If unsure, keep the default of 16.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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