.. SPDX-License-Identifier: GPL-2.0+ ================================ Documentation for /proc/sys/abi/ ================================ .. See scripts/check-sysctl-docs to keep this up to date: .. scripts/check-sysctl-docs -vtable="abi" \ .. Documentation/admin-guide/sysctl/abi.rst \ .. $(git grep -l register_sysctl_) Copyright (c) 2020, Stephen Kitt For general info, see Documentation/admin-guide/sysctl/index.rst. ------------------------------------------------------------------------------ The files in ``/proc/sys/abi`` can be used to see and modify ABI-related settings. Currently, these files might (depending on your configuration) show up in ``/proc/sys/kernel``: .. contents:: :local: vsyscall32 (x86) ================ Determines whether the kernels maps a vDSO page into 32-bit processes; can be set to 1 to enable, or 0 to disable. Defaults to enabled if ``CONFIG_COMPAT_VDSO`` is set, disabled otherwise. This controls the same setting as the ``vdso32`` kernel boot parameter.