.. 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 modifyABI-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 bootparameter.