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2023-05-23sysctl: Remove register_sysctl_tableJoel Granados
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>
2023-05-02sysctl: remove register_sysctl_paths()Luis Chamberlain
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>
2020-02-25docs: add a script to check sysctl docsStephen Kitt
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>