It seems it was never used. Fixes: 2f2665c13af4 ("sysctl: replace child with an enumeration") Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> --- This was originally part of the sysctl-const series [0], but it doesn't really belong in there. To slim down that series as much as possible, submit this patch on its own. [0] https://lore.kernel.org/lkml/20231204-const-sysctl-v2-2-7a5060b11447@xxxxxxxxxxxxxx/ --- include/linux/sysctl.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 61b40ea81f4d..26a38161c28f 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -255,8 +255,6 @@ extern int unaligned_enabled; extern int unaligned_dump_stack; extern int no_unaligned_warning; -#define SYSCTL_PERM_EMPTY_DIR (1 << 0) - #else /* CONFIG_SYSCTL */ static inline void register_sysctl_init(const char *path, struct ctl_table *table) --- base-commit: a6fd07f80ab7bd94edb4d56c35e61117ffb9957e change-id: 20231223-sysctl-perm-empty-dir-7a71b4e3867b Best regards, -- Thomas Weißschuh <linux@xxxxxxxxxxxxxx>