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kernels/ksysfs.c: export kernel address bits

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This can be used by userspace to determine the address size of the
running kernel.
It frees userspace from having to interpret this information from the
UTS machine field.

Userspace implementation:
https://github.com/util-linux/util-linux/pull/1966

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20221221-address-bits-v1-1-8446b13244ac@weissschuh.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thomas Weißschuh
2022-12-21 16:17:52 +00:00
committed by Greg Kroah-Hartman
parent e5da06b27f
commit 00142bfd5a
2 changed files with 19 additions and 0 deletions
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Documentation/ABI/testing/sysfs-kernel-address_bits Normal file
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What: /sys/kernel/address_bit
Date: May 2023
KernelVersion: 6.3
Contact: Thomas Weißschuh <linux@weissschuh.net>
Description:
The address size of the running kernel in bits.
Access: Read
Users: util-linux