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.. 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 :doc:`index`.
------------------------------------------------------------------------------
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.
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