6 files changed, 71 insertions, 2 deletions

diff --git a/kernel/audit.c b/kernel/audit.c
index d13ab7d2d899..0a813d2883e5 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -42,8 +42,8 @@
  */
 
 #include <linux/init.h>
-#include <asm/atomic.h>
 #include <asm/types.h>
+#include <asm/atomic.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/err.h>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index d8a68509e729..685c25175d96 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -30,8 +30,8 @@
  */
 
 #include <linux/init.h>
-#include <asm/atomic.h>
 #include <asm/types.h>
+#include <asm/atomic.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/mount.h>
diff --git a/kernel/compat.c b/kernel/compat.c
index 256e5d9f0647..1867290c37e3 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -871,3 +871,31 @@ asmlinkage long compat_sys_stime(compat_time_t __user *tptr)
 }
 
 #endif /* __ARCH_WANT_COMPAT_SYS_TIME */
+
+#ifdef __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
+asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, compat_size_t sigsetsize)
+{
+        sigset_t newset;
+        compat_sigset_t newset32;
+
+        /* XXX: Don't preclude handling different sized sigset_t's.  */
+        if (sigsetsize != sizeof(sigset_t))
+                return -EINVAL;
+
+        if (copy_from_user(&newset32, unewset, sizeof(compat_sigset_t)))
+                return -EFAULT;
+        sigset_from_compat(&newset, &newset32);
+        sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));
+
+        spin_lock_irq(&current->sighand->siglock);
+        current->saved_sigmask = current->blocked;
+        current->blocked = newset;
+        recalc_sigpending();
+        spin_unlock_irq(&current->sighand->siglock);
+
+        current->state = TASK_INTERRUPTIBLE;
+        schedule();
+        set_thread_flag(TIF_RESTORE_SIGMASK);
+        return -ERESTARTNOHAND;
+}
+#endif /* __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND */
diff --git a/kernel/sched.c b/kernel/sched.c
index 788ecce1e0e4..3ee2ae45125f 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3850,6 +3850,10 @@ do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param)
 asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
                                        struct sched_param __user *param)
 {
+        /* negative values for policy are not valid */
+        if (policy < 0)
+                return -EINVAL;
+
         return do_sched_setscheduler(pid, policy, param);
 }
 
diff --git a/kernel/signal.c b/kernel/signal.c
index 5dafbd36d62e..d3efafd8109a 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2721,6 +2721,32 @@ sys_pause(void)
 
 #endif
 
+#ifdef __ARCH_WANT_SYS_RT_SIGSUSPEND
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize)
+{
+        sigset_t newset;
+
+        /* XXX: Don't preclude handling different sized sigset_t's.  */
+        if (sigsetsize != sizeof(sigset_t))
+                return -EINVAL;
+
+        if (copy_from_user(&newset, unewset, sizeof(newset)))
+                return -EFAULT;
+        sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));
+
+        spin_lock_irq(&current->sighand->siglock);
+        current->saved_sigmask = current->blocked;
+        current->blocked = newset;
+        recalc_sigpending();
+        spin_unlock_irq(&current->sighand->siglock);
+
+        current->state = TASK_INTERRUPTIBLE;
+        schedule();
+        set_thread_flag(TIF_RESTORE_SIGMASK);
+        return -ERESTARTNOHAND;
+}
+#endif /* __ARCH_WANT_SYS_RT_SIGSUSPEND */
+
 void __init signals_init(void)
 {
         sigqueue_cachep =
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index f5d69b6e29f5..cb99a42f8b37 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -870,6 +870,17 @@ static ctl_table vm_table[] = {
                 .strategy       = &sysctl_jiffies,
         },
 #endif
+#ifdef CONFIG_NUMA
+        {
+                .ctl_name       = VM_ZONE_RECLAIM_MODE,
+                .procname       = "zone_reclaim_mode",
+                .data           = &zone_reclaim_mode,
+                .maxlen         = sizeof(zone_reclaim_mode),
+                .mode           = 0644,
+                .proc_handler   = &proc_dointvec,
+                .strategy       = &zero,
+        },
+#endif
         { .ctl_name = 0 }
 };