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CONFIG_PPC_SUBPAGE_PROT: Support setting protections for 4k subpages (subpage_prot syscall)

General informations

The Linux kernel configuration item CONFIG_PPC_SUBPAGE_PROT has multiple definitions:

Support setting protections for 4k subpages (subpage_prot syscall) found in arch/powerpc/Kconfig

The configuration item CONFIG_PPC_SUBPAGE_PROT:

Help text

This option adds support for system call to allow user programs to set access permissions (read/write, readonly, or no access) on the 4k subpages of each 64k page.

If unsure, say N here.

Support setting protections for 4k subpages found in arch/powerpc/Kconfig

The configuration item CONFIG_PPC_SUBPAGE_PROT:

Help text

This option adds support for a system call to allow user programs to set access permissions (read/write, readonly, or no access) on the 4k subpages of each 64k page.

Hardware

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