CONFIG_PTE_MARKER_UFFD_WP: Userfaultfd write protection support for shmem/hugetlbfs

General informations

The Linux kernel configuration item CONFIG_PTE_MARKER_UFFD_WP:

• prompt: Userfaultfd write protection support for shmem/hugetlbfs
• type: bool
• depends on: CONFIG_HAVE_ARCH_USERFAULTFD_WP
• defined in mm/Kconfig
• found in Linux kernels: 5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Allows to create marker PTEs for userfaultfd write protection purposes. It is required to enable userfaultfd write protection on file-backed memory types like shmem and hugetlbfs.

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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