UBIFS: remove another unneeded function parameter

[pandora-kernel.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c25e67e..c68f68d 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -24,7 +24,7 @@
 #include <linux/slab.h>
 #include <linux/sysctl.h>
 #include <linux/proc_fs.h>
-#include <linux/capability.h>
+#include <linux/security.h>
 #include <linux/ctype.h>
 #include <linux/utsname.h>
 #include <linux/smp_lock.h>
@@ -225,21 +225,24 @@ static struct ctl_table root_table[] = {
 };
 
 #ifdef CONFIG_SCHED_DEBUG
-static unsigned long min_sched_granularity_ns = 100000;                /* 100 usecs */
-static unsigned long max_sched_granularity_ns = 1000000000;    /* 1 second */
-static unsigned long min_wakeup_granularity_ns;                        /* 0 usecs */
-static unsigned long max_wakeup_granularity_ns = 1000000000;   /* 1 second */
+static int min_sched_granularity_ns = 100000;          /* 100 usecs */
+static int max_sched_granularity_ns = NSEC_PER_SEC;    /* 1 second */
+static int min_wakeup_granularity_ns;                  /* 0 usecs */
+static int max_wakeup_granularity_ns = NSEC_PER_SEC;   /* 1 second */
 #endif
 
 static struct ctl_table kern_table[] = {
 #ifdef CONFIG_SCHED_DEBUG
        {
                .ctl_name       = CTL_UNNUMBERED,
-               .procname       = "sched_nr_latency",
-               .data           = &sysctl_sched_nr_latency,
+               .procname       = "sched_min_granularity_ns",
+               .data           = &sysctl_sched_min_granularity,
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
+               .proc_handler   = &sched_nr_latency_handler,
+               .strategy       = &sysctl_intvec,
+               .extra1         = &min_sched_granularity_ns,
+               .extra2         = &max_sched_granularity_ns,
        },
        {
                .ctl_name       = CTL_UNNUMBERED,
@@ -247,7 +250,7 @@ static struct ctl_table kern_table[] = {
                .data           = &sysctl_sched_latency,
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_minmax,
+               .proc_handler   = &sched_nr_latency_handler,
                .strategy       = &sysctl_intvec,
                .extra1         = &min_sched_granularity_ns,
                .extra2         = &max_sched_granularity_ns,
@@ -298,6 +301,14 @@ static struct ctl_table kern_table[] = {
                .mode           = 0644,
                .proc_handler   = &proc_dointvec,
        },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "sched_nr_migrate",
+               .data           = &sysctl_sched_nr_migrate,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 644,
+               .proc_handler   = &proc_dointvec,
+       },
 #endif
        {
                .ctl_name       = CTL_UNNUMBERED,
@@ -371,6 +382,7 @@ static struct ctl_table kern_table[] = {
                .proc_handler   = &proc_dointvec_taint,
        },
 #endif
+#ifdef CONFIG_SECURITY_CAPABILITIES
        {
                .procname       = "cap-bound",
                .data           = &cap_bset,
@@ -378,6 +390,7 @@ static struct ctl_table kern_table[] = {
                .mode           = 0600,
                .proc_handler   = &proc_dointvec_bset,
        },
+#endif /* def CONFIG_SECURITY_CAPABILITIES */
 #ifdef CONFIG_BLK_DEV_INITRD
        {
                .ctl_name       = KERN_REALROOTDEV,
@@ -893,11 +906,11 @@ static struct ctl_table vm_table[] = {
        },
        {
                .ctl_name       = CTL_UNNUMBERED,
-               .procname       = "hugetlb_dynamic_pool",
-               .data           = &hugetlb_dynamic_pool,
-               .maxlen         = sizeof(hugetlb_dynamic_pool),
+               .procname       = "nr_overcommit_hugepages",
+               .data           = &nr_overcommit_huge_pages,
+               .maxlen         = sizeof(nr_overcommit_huge_pages),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec,
+               .proc_handler   = &proc_doulongvec_minmax,
        },
 #endif
        {
@@ -1575,6 +1588,10 @@ struct ctl_table_header *register_sysctl_table(struct ctl_table * table)
 void unregister_sysctl_table(struct ctl_table_header * header)
 {
        might_sleep();
+
+       if (header == NULL)
+               return;
+
        spin_lock(&sysctl_lock);
        start_unregistering(header);
        spin_unlock(&sysctl_lock);
@@ -1872,10 +1889,11 @@ static int do_proc_dointvec_bset_conv(int *negp, unsigned long *lvalp,
        return 0;
 }
 
+#ifdef CONFIG_SECURITY_CAPABILITIES
 /*
  *     init may raise the set.
  */
- 
+
 int proc_dointvec_bset(struct ctl_table *table, int write, struct file *filp,
                        void __user *buffer, size_t *lenp, loff_t *ppos)
 {
@@ -1885,10 +1903,11 @@ int proc_dointvec_bset(struct ctl_table *table, int write, struct file *filp,
                return -EPERM;
        }
 
-       op = is_init(current) ? OP_SET : OP_AND;
+       op = is_global_init(current) ? OP_SET : OP_AND;
        return do_proc_dointvec(table,write,filp,buffer,lenp,ppos,
                                do_proc_dointvec_bset_conv,&op);
 }
+#endif /* def CONFIG_SECURITY_CAPABILITIES */
 
 /*
  *     Taint values can only be increased
@@ -2274,7 +2293,7 @@ static int proc_do_cad_pid(struct ctl_table *table, int write, struct file *filp
        pid_t tmp;
        int r;
 
-       tmp = pid_nr(cad_pid);
+       tmp = pid_nr_ns(cad_pid, current->nsproxy->pid_ns);
 
        r = __do_proc_dointvec(&tmp, table, write, filp, buffer,
                               lenp, ppos, NULL, NULL);
@@ -2605,6 +2624,10 @@ static int deprecated_sysctl_warning(struct __sysctl_args *args)
        int name[CTL_MAXNAME];
        int i;
 
+       /* Check args->nlen. */
+       if (args->nlen < 0 || args->nlen > CTL_MAXNAME)
+               return -ENOTDIR;
+
        /* Read in the sysctl name for better debug message logging */
        for (i = 0; i < args->nlen; i++)
                if (get_user(name[i], args->name + i))