On Tue, May 23, 2023 at 02:22:19PM +0200, Joel Granados wrote: > This is part of the general push to deprecate register_sysctl_paths and > register_sysctl_table. The old way of doing this through > register_sysctl_base and DECLARE_SYSCTL_BASE macro is replaced with a > call to register_sysctl_init. The 5 base paths affected are: "kernel", > "vm", "debug", "dev" and "fs". > > We remove the register_sysctl_base function and the DECLARE_SYSCTL_BASE > macro since they are no longer needed. > > In order to quickly acertain that the paths did not actually change I > executed `find /proc/sys/ | sha1sum` and made sure that the sha was the > same before and after the commit. > > We end up saving 563 bytes with this change: > > ./scripts/bloat-o-meter vmlinux.0.base vmlinux.1.refactor-base-paths > add/remove: 0/5 grow/shrink: 2/0 up/down: 77/-640 (-563) > Function old new delta > sysctl_init_bases 55 111 +56 > init_fs_sysctls 12 33 +21 > vm_base_table 128 - -128 > kernel_base_table 128 - -128 > fs_base_table 128 - -128 > dev_base_table 128 - -128 > debug_base_table 128 - -128 > Total: Before=21258215, After=21257652, chg -0.00% > > Signed-off-by: Joel Granados <j.granados@xxxxxxxxxxx> > [mcgrof: modified to use register_sysctl_init() over register_sysctl() > and add bloat-o-meter stats] > Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> > Tested-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > --- Acked-by: Christian Brauner <brauner@xxxxxxxxxx>
