1================================
2Documentation for /proc/sys/abi/
3================================
4
5.. See scripts/check-sysctl-docs to keep this up to date:
6.. scripts/check-sysctl-docs -vtable="abi" \
7..         Documentation/admin-guide/sysctl/abi.rst \
8..         $(git grep -l register_sysctl_)
9
10Copyright (c) 2020, Stephen Kitt
11
12For general info, see :doc:`index`.
13
14------------------------------------------------------------------------------
15
16The files in ``/proc/sys/abi`` can be used to see and modify
17ABI-related settings.
18
19Currently, these files might (depending on your configuration)
20show up in ``/proc/sys/kernel``:
21
22.. contents:: :local:
23
24vsyscall32 (x86)
25================
26
27Determines whether the kernels maps a vDSO page into 32-bit processes;
28can be set to 1 to enable, or 0 to disable. Defaults to enabled if
29``CONFIG_COMPAT_VDSO`` is set, disabled otherwide.
30
31This controls the same setting as the ``vdso32`` kernel boot
32parameter.
33