CONFIG_MEM_SOFT_DIRTY: Track memory changes

General informations

The Linux kernel configuration item CONFIG_MEM_SOFT_DIRTY:

• prompt: Track memory changes
• type: bool
• depends on: CONFIG_CHECKPOINT_RESTORE && CONFIG_HAVE_ARCH_SOFT_DIRTY && CONFIG_PROC_FS
• defined in mm/Kconfig
• found in Linux kernels: 3.11–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.13

Help text

This option enables memory changes tracking by introducing a soft-dirty bit on pte-s. This bit it set when someone writes into a page just as regular dirty bit, but unlike the latter it can be cleared by hands.

See Documentation/admin-guide/mm/soft-dirty.rst for more details.

Hardware

LKDDb

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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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