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authorXiaoming Ni <[email protected]>2022-01-21 22:11:19 -0800
committerLinus Torvalds <[email protected]>2022-01-22 08:33:34 +0200
commit2452dcb9f7f2bab5b47344148bc23a732be9195c (patch)
treef573dd0bf04ee85a2a76a78c9d9601713a7347c7
parentd73840ec2f747b860331bbba53677d0ce38fb9c1 (diff)
sysctl: use SYSCTL_ZERO to replace some static int zero uses
Use the variable SYSCTL_ZERO to replace some static int boundary variables with a value of 0 (minolduid, min_extfrag_threshold, min_wakeup_granularity_ns). Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Xiaoming Ni <[email protected]> Signed-off-by: Luis Chamberlain <[email protected]> Cc: Al Viro <[email protected]> Cc: Amir Goldstein <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: Benjamin LaHaise <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Iurii Zaikin <[email protected]> Cc: Jan Kara <[email protected]> Cc: Kees Cook <[email protected]> Cc: Paul Turner <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Qing Wang <[email protected]> Cc: Sebastian Reichel <[email protected]> Cc: Sergey Senozhatsky <[email protected]> Cc: Stephen Kitt <[email protected]> Cc: Tetsuo Handa <[email protected]> Cc: Antti Palosaari <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Clemens Ladisch <[email protected]> Cc: David Airlie <[email protected]> Cc: Jani Nikula <[email protected]> Cc: Joel Becker <[email protected]> Cc: Joonas Lahtinen <[email protected]> Cc: Joseph Qi <[email protected]> Cc: Julia Lawall <[email protected]> Cc: Lukas Middendorf <[email protected]> Cc: Mark Fasheh <[email protected]> Cc: Phillip Potter <[email protected]> Cc: Rodrigo Vivi <[email protected]> Cc: Douglas Gilbert <[email protected]> Cc: James E.J. Bottomley <[email protected]> Cc: Jani Nikula <[email protected]> Cc: John Ogness <[email protected]> Cc: Martin K. Petersen <[email protected]> Cc: "Rafael J. Wysocki" <[email protected]> Cc: Steven Rostedt (VMware) <[email protected]> Cc: Suren Baghdasaryan <[email protected]> Cc: "Theodore Ts'o" <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-rw-r--r--kernel/sysctl.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 134c2cb9ed4e..a2175a305f10 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -123,7 +123,7 @@ static const unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
/* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
static const int maxolduid = 65535;
-static const int minolduid;
+/* minolduid is SYSCTL_ZERO */
static const int ngroups_max = NGROUPS_MAX;
static const int cap_last_cap = CAP_LAST_CAP;
@@ -171,7 +171,7 @@ int sysctl_legacy_va_layout;
#endif
#ifdef CONFIG_COMPACTION
-static const int min_extfrag_threshold;
+/* min_extfrag_threshold is SYSCTL_ZERO */;
static const int max_extfrag_threshold = 1000;
#endif
@@ -2176,7 +2176,7 @@ static struct ctl_table kern_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = (void *)&minolduid,
+ .extra1 = SYSCTL_ZERO,
.extra2 = (void *)&maxolduid,
},
{
@@ -2185,7 +2185,7 @@ static struct ctl_table kern_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = (void *)&minolduid,
+ .extra1 = SYSCTL_ZERO,
.extra2 = (void *)&maxolduid,
},
#ifdef CONFIG_S390
@@ -2759,7 +2759,7 @@ static struct ctl_table vm_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = (void *)&min_extfrag_threshold,
+ .extra1 = SYSCTL_ZERO,
.extra2 = (void *)&max_extfrag_threshold,
},
{
@@ -3071,7 +3071,7 @@ static struct ctl_table fs_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = (void *)&minolduid,
+ .extra1 = SYSCTL_ZERO,
.extra2 = (void *)&maxolduid,
},
{
@@ -3080,7 +3080,7 @@ static struct ctl_table fs_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
- .extra1 = (void *)&minolduid,
+ .extra1 = SYSCTL_ZERO,
.extra2 = (void *)&maxolduid,
},
#ifdef CONFIG_FILE_LOCKING