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Some sysctl tables are registered for each namespace.
(Like in ipc/ipc_sysctl.c)
These need special handling to track the variable assignments.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Joel Granados <j.granados@samsung.com>
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The script expects the old sysctl_register_paths() API which was removed
some time ago. Adapt it to work with the new
sysctl_register()/sysctl_register_sz()/sysctl_register_init() APIs.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Joel Granados <j.granados@samsung.com>
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This is part of the general push to deprecate register_sysctl_paths and
register_sysctl_table. After removing all the calling functions, we
remove both the register_sysctl_table function and the documentation
check that appeared in check-sysctl-docs awk script.
We save 595 bytes with this change:
./scripts/bloat-o-meter vmlinux.1.refactor-base-paths vmlinux.2.remove-sysctl-table
add/remove: 2/8 grow/shrink: 1/0 up/down: 1154/-1749 (-595)
Function old new delta
count_subheaders - 983 +983
unregister_sysctl_table 29 184 +155
__pfx_count_subheaders - 16 +16
__pfx_unregister_sysctl_table.part 16 - -16
__pfx_register_leaf_sysctl_tables.constprop 16 - -16
__pfx_count_subheaders.part 16 - -16
__pfx___register_sysctl_base 16 - -16
unregister_sysctl_table.part 136 - -136
__register_sysctl_base 478 - -478
register_leaf_sysctl_tables.constprop 524 - -524
count_subheaders.part 547 - -547
Total: Before=21257652, After=21257057, chg -0.00%
[mcgrof: remove register_leaf_sysctl_tables and append_path too and
add bloat-o-meter stats]
Signed-off-by: Joel Granados <j.granados@samsung.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Christian Brauner <brauner@kernel.org>
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The deprecation for register_sysctl_paths() is over. We can rejoice as
we nuke register_sysctl_paths(). The routine register_sysctl_table()
was the only user left of register_sysctl_paths(), so we can now just
open code and move the implementation over to what used to be
to __register_sysctl_paths().
The old dynamic struct ctl_table_set *set is now the point to
sysctl_table_root.default_set.
The old dynamic const struct ctl_path *path was being used in the
routine register_sysctl_paths() with a static:
static const struct ctl_path null_path[] = { {} };
Since this is a null path we can now just simplfy the old routine
and remove its use as its always empty.
This saves us a total of 230 bytes.
$ ./scripts/bloat-o-meter vmlinux.old vmlinux
add/remove: 2/7 grow/shrink: 1/1 up/down: 1015/-1245 (-230)
Function old new delta
register_leaf_sysctl_tables.constprop - 524 +524
register_sysctl_table 22 497 +475
__pfx_register_leaf_sysctl_tables.constprop - 16 +16
null_path 8 - -8
__pfx_register_sysctl_paths 16 - -16
__pfx_register_leaf_sysctl_tables 16 - -16
__pfx___register_sysctl_paths 16 - -16
__register_sysctl_base 29 12 -17
register_sysctl_paths 18 - -18
register_leaf_sysctl_tables 534 - -534
__register_sysctl_paths 620 - -620
Total: Before=21259666, After=21259436, chg -0.00%
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
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This script allows sysctl documentation to be checked against the
kernel source code, to identify missing or obsolete entries. Running
it against 5.5 shows for example that sysctl/kernel.rst has two
obsolete entries and is missing 52 entries.
Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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