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Subject[v2 030/115] sysctl: sched: add sd_table_template
Date
This is just a cleanup patch, it doesn't change any functionality.

Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
---
kernel/sched.c | 144 ++++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 103 insertions(+), 41 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 312f8b9..23a980c 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6092,6 +6092,95 @@ static void migrate_tasks(unsigned int dead_cpu)

#if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_SYSCTL)

+
+static struct ctl_table sd_table_template[] = {
+ {
+ .procname = "min_interval",
+ /* .data = &sd->min_interval, */
+ .maxlen = sizeof(long),
+ .mode = 0644,
+ .proc_handler = proc_doulongvec_minmax,
+ },
+ {
+ .procname = "max_interval",
+ /* .data = &sd->max_interval, */
+ .maxlen = sizeof(long),
+ .mode = 0644,
+ .proc_handler = proc_doulongvec_minmax,
+ },
+ {
+ .procname = "busy_idx",
+ /* .data = &sd->busy_idx, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "idle_idx",
+ /* .data = &sd->idle_idx, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "newidle_idx",
+ /* .data = &sd->newidle_idx, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "wake_idx",
+ /* .data = &sd->wake_idx, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "forkexec_idx",
+ /* .data = &sd->forkexec_idx, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "busy_factor",
+ /* .data = &sd->busy_factor, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "imbalance_pct",
+ /* .data = &sd->imbalance_pct, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "cache_nice_tries",
+ /* .data = &sd->cache_nice_tries, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "flags",
+ /* .data = &sd->flags, */
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "name",
+ /* .data = sd->name, */
+ .maxlen = CORENAME_MAX_SIZE,
+ .mode = 0444,
+ .proc_handler = proc_dostring,
+ },
+ { }
+};
+
static struct ctl_table sd_ctl_dir[] = {
{
.procname = "sched_domain",
@@ -6138,52 +6227,25 @@ static void sd_free_ctl_entry(struct ctl_table **tablep)
*tablep = NULL;
}

-static void
-set_table_entry(struct ctl_table *entry,
- const char *procname, void *data, int maxlen,
- mode_t mode, proc_handler *proc_handler)
-{
- entry->procname = procname;
- entry->data = data;
- entry->maxlen = maxlen;
- entry->mode = mode;
- entry->proc_handler = proc_handler;
-}
-
static struct ctl_table *
sd_alloc_ctl_domain_table(struct sched_domain *sd)
{
- struct ctl_table *table = sd_alloc_ctl_entry(13);
-
+ struct ctl_table *table = kmemdup(&sd_table_template,
+ sizeof(sd_table_template), GFP_KERNEL);
if (table == NULL)
return NULL;
-
- set_table_entry(&table[0], "min_interval", &sd->min_interval,
- sizeof(long), 0644, proc_doulongvec_minmax);
- set_table_entry(&table[1], "max_interval", &sd->max_interval,
- sizeof(long), 0644, proc_doulongvec_minmax);
- set_table_entry(&table[2], "busy_idx", &sd->busy_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[3], "idle_idx", &sd->idle_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[4], "newidle_idx", &sd->newidle_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[5], "wake_idx", &sd->wake_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[6], "forkexec_idx", &sd->forkexec_idx,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[7], "busy_factor", &sd->busy_factor,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[8], "imbalance_pct", &sd->imbalance_pct,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[9], "cache_nice_tries",
- &sd->cache_nice_tries,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[10], "flags", &sd->flags,
- sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[11], "name", sd->name,
- CORENAME_MAX_SIZE, 0444, proc_dostring);
- /* &table[12] is terminator */
+ table[ 0].data = &sd->min_interval;
+ table[ 1].data = &sd->max_interval;
+ table[ 2].data = &sd->busy_idx;
+ table[ 3].data = &sd->idle_idx;
+ table[ 4].data = &sd->newidle_idx;
+ table[ 5].data = &sd->wake_idx;
+ table[ 6].data = &sd->forkexec_idx;
+ table[ 7].data = &sd->busy_factor;
+ table[ 8].data = &sd->imbalance_pct;
+ table[ 9].data = &sd->cache_nice_tries;
+ table[10].data = &sd->flags;
+ table[11].data = sd->name;

return table;
}
--
1.7.5.134.g1c08b


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