cgroups: add inactive subsystems to rootnode.subsys_list

[safe/jmp/linux-2.6] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 619eb9f..92f6e5b 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -87,10 +87,6 @@ extern int rcutorture_runnable;
 #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
 
 /* Constants used for minimum and  maximum */
-#if defined(CONFIG_HIGHMEM) || defined(CONFIG_DETECT_SOFTLOCKUP)
-static int one = 1;
-#endif
-
 #ifdef CONFIG_DETECT_SOFTLOCKUP
 static int sixty = 60;
 static int neg_one = -1;
@@ -101,6 +97,7 @@ static int two = 2;
 #endif
 
 static int zero;
+static int one = 1;
 static int one_hundred = 100;
 
 /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */
@@ -121,6 +118,10 @@ extern int sg_big_buff;
 #include <asm/system.h>
 #endif
 
+#ifdef CONFIG_SPARC64
+extern int sysctl_tsb_ratio;
+#endif
+
 #ifdef __hppa__
 extern int pwrsw_enabled;
 extern int unaligned_enabled;
@@ -176,6 +177,9 @@ extern struct ctl_table random_table[];
 #ifdef CONFIG_INOTIFY_USER
 extern struct ctl_table inotify_table[];
 #endif
+#ifdef CONFIG_EPOLL
+extern struct ctl_table epoll_table[];
+#endif
 
 #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT
 int sysctl_legacy_va_layout;
@@ -276,6 +280,16 @@ static struct ctl_table kern_table[] = {
        },
        {
                .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "sched_shares_thresh",
+               .data           = &sysctl_sched_shares_thresh,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec_minmax,
+               .strategy       = &sysctl_intvec,
+               .extra1         = &zero,
+       },
+       {
+               .ctl_name       = CTL_UNNUMBERED,
                .procname       = "sched_child_runs_first",
                .data           = &sysctl_sched_child_runs_first,
                .maxlen         = sizeof(unsigned int),
@@ -438,6 +452,16 @@ static struct ctl_table kern_table[] = {
                .proc_handler   = &proc_dointvec,
        },
 #endif
+#ifdef CONFIG_SPARC64
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "tsb-ratio",
+               .data           = &sysctl_tsb_ratio,
+               .maxlen         = sizeof (int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
 #ifdef __hppa__
        {
                .ctl_name       = KERN_HPPA_PWRSW,
@@ -474,6 +498,26 @@ static struct ctl_table kern_table[] = {
                .proc_handler   = &ftrace_enable_sysctl,
        },
 #endif
+#ifdef CONFIG_STACK_TRACER
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "stack_tracer_enabled",
+               .data           = &stack_tracer_enabled,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &stack_trace_sysctl,
+       },
+#endif
+#ifdef CONFIG_TRACING
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "ftrace_dump_on_oops",
+               .data           = &ftrace_dump_on_oops,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = &proc_dointvec,
+       },
+#endif
 #ifdef CONFIG_MODULES
        {
                .ctl_name       = KERN_MODPROBE,
@@ -833,6 +877,16 @@ static struct ctl_table kern_table[] = {
                .proc_handler   = &proc_dointvec,
        },
 #endif
+#ifdef CONFIG_UNEVICTABLE_LRU
+       {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "scan_unevictable_pages",
+               .data           = &scan_unevictable_pages,
+               .maxlen         = sizeof(scan_unevictable_pages),
+               .mode           = 0644,
+               .proc_handler   = &scan_unevictable_handler,
+       },
+#endif
 /*
  * NOTE: do not add new entries to this table unless you have read
  * Documentation/sysctl/ctl_unnumbered.txt
@@ -895,12 +949,22 @@ static struct ctl_table vm_table[] = {
                .data           = &dirty_background_ratio,
                .maxlen         = sizeof(dirty_background_ratio),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_minmax,
+               .proc_handler   = &dirty_background_ratio_handler,
                .strategy       = &sysctl_intvec,
                .extra1         = &zero,
                .extra2         = &one_hundred,
        },
        {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "dirty_background_bytes",
+               .data           = &dirty_background_bytes,
+               .maxlen         = sizeof(dirty_background_bytes),
+               .mode           = 0644,
+               .proc_handler   = &dirty_background_bytes_handler,
+               .strategy       = &sysctl_intvec,
+               .extra1         = &one,
+       },
+       {
                .ctl_name       = VM_DIRTY_RATIO,
                .procname       = "dirty_ratio",
                .data           = &vm_dirty_ratio,
@@ -912,6 +976,16 @@ static struct ctl_table vm_table[] = {
                .extra2         = &one_hundred,
        },
        {
+               .ctl_name       = CTL_UNNUMBERED,
+               .procname       = "dirty_bytes",
+               .data           = &vm_dirty_bytes,
+               .maxlen         = sizeof(vm_dirty_bytes),
+               .mode           = 0644,
+               .proc_handler   = &dirty_bytes_handler,
+               .strategy       = &sysctl_intvec,
+               .extra1         = &one,
+       },
+       {
                .procname       = "dirty_writeback_centisecs",
                .data           = &dirty_writeback_interval,
                .maxlen         = sizeof(dirty_writeback_interval),
@@ -1305,6 +1379,13 @@ static struct ctl_table fs_table[] = {
                .child          = inotify_table,
        },
 #endif 
+#ifdef CONFIG_EPOLL
+       {
+               .procname       = "epoll",
+               .mode           = 0555,
+               .child          = epoll_table,
+       },
+#endif
 #endif
        {
                .ctl_name       = KERN_SETUID_DUMPABLE,
@@ -1621,7 +1702,7 @@ out:
 
 static int test_perm(int mode, int op)
 {
-       if (!current->euid)
+       if (!current_euid())
                mode >>= 6;
        else if (in_egroup_p(0))
                mode >>= 3;