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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 otherwide.
- This controls the same setting as the ``vdso32`` kernel boot
- parameter.
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