[PATCH v2 3/3] sysctl: remove redundant CONFIG_PROC_FS checks

From: Oleg Nesterov

Date: Sun Aug 30 2026 - 11:34:32 EST


Now that CONFIG_PROC_SYSCTL is gone, CONFIG_SYSCTL depends on
CONFIG_PROC_FS directly in fs/proc/Kconfig, so the double guard
defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS) is redundant.
Simplify to "#ifdef CONFIG_SYSCTL".

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
drivers/parport/procfs.c | 6 +++---
fs/dcache.c | 2 +-
fs/file_table.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
index 3880460e67f2..1bfafc2a5724 100644
--- a/drivers/parport/procfs.c
+++ b/drivers/parport/procfs.c
@@ -26,7 +26,7 @@

#include <linux/uaccess.h>

-#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)
+#ifdef CONFIG_SYSCTL

#define PARPORT_MIN_TIMESLICE_VALUE 1ul
#define PARPORT_MAX_TIMESLICE_VALUE ((unsigned long) HZ)
@@ -560,7 +560,7 @@ static void __exit parport_default_proc_unregister(void)
parport_bus_exit();
}

-#else /* no sysctl or no procfs*/
+#else /* CONFIG_SYSCTL */

int parport_proc_register(struct parport *pp)
{
@@ -591,7 +591,7 @@ static void __exit parport_default_proc_unregister (void)
{
parport_bus_exit();
}
-#endif
+#endif /* CONFIG_SYSCTL */

subsys_initcall(parport_default_proc_register)
module_exit(parport_default_proc_unregister)
diff --git a/fs/dcache.c b/fs/dcache.c
index 1b1a81f10da6..7ce421e9191f 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -144,7 +144,7 @@ static DEFINE_PER_CPU(long, nr_dentry_unused);
static DEFINE_PER_CPU(long, nr_dentry_negative);
static int dentry_negative_policy;

-#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)
+#ifdef CONFIG_SYSCTL
/* Statistics gathering. */
static struct dentry_stat_t dentry_stat = {
.age_limit = 45,
diff --git a/fs/file_table.c b/fs/file_table.c
index c68b8c0a4097..08ca3631b726 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -122,7 +122,7 @@ unsigned long get_max_files(void)
}
EXPORT_SYMBOL_GPL(get_max_files);

-#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)
+#ifdef CONFIG_SYSCTL

/*
* Handle nr_files sysctl
--
2.52.0