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CONFIG_ZSMALLOC: Memory allocator for compressed pages

General informations

The Linux kernel configuration item CONFIG_ZSMALLOC has multiple definitions:

Memory allocator for compressed pages found in drivers/staging/zsmalloc/Kconfig

The configuration item CONFIG_ZSMALLOC:

• prompt: Memory allocator for compressed pages
• type: bool
• depends on: (none)
• defined in drivers/staging/zsmalloc/Kconfig
• found in Linux kernels: 3.10-rc+HEAD
• modules built: zsmalloc

Help text

zsmalloc is a slab-based memory allocator designed to store compressed RAM pages. zsmalloc uses virtual memory mapping in order to reduce fragmentation. However, this results in a non-standard allocator interface where a handle, not a pointer, is returned by an alloc(). This handle must be mapped in order to access the allocated space.

Memory allocator for compressed pages found in drivers/staging/zsmalloc/Kconfig

The configuration item CONFIG_ZSMALLOC:

• prompt: Memory allocator for compressed pages
• type: tristate
• depends on: (none)
• defined in drivers/staging/zsmalloc/Kconfig
• found in Linux kernels: 3.4–3.9
• modules built: zsmalloc

Help text

zsmalloc is a slab-based memory allocator designed to store compressed RAM pages. zsmalloc uses virtual memory mapping in order to reduce fragmentation. However, this results in a non-standard allocator interface where a handle, not a pointer, is returned by an alloc(). This handle must be mapped in order to access the allocated space.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module zsmalloc CONFIG_ZSMALLOC : drivers/staging/zsmalloc/Kconfig : "Memory allocator for compressed pages"

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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