Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Drop duplicated "config IOMMU_HELPER"
  [IA64] invoke oom-killer from page fault
  [IA64] use __ratelimit
  [IA64] Use set_cpus_allowed_ptr
  [IA64] Use set_cpus_allowed_ptr
  [IA64] arch/ia64/hp/common/sba_iommu.c: Rename dev_info to adi
  [IA64] removing redundant ifdef

5 files changed, 17 insertions, 35 deletions

diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
index b0b4e6e710f2..22f61526a8e1 100644
--- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
+++ b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
@@ -113,7 +113,7 @@ processor_get_freq (
         dprintk("processor_get_freq\n");
 
         saved_mask = current->cpus_allowed;
-        set_cpus_allowed(current, cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, cpumask_of(cpu));
         if (smp_processor_id() != cpu)
                 goto migrate_end;
 
@@ -121,7 +121,7 @@ processor_get_freq (
         ret = processor_get_pstate(&value);
 
         if (ret) {
-                set_cpus_allowed(current, saved_mask);
+                set_cpus_allowed_ptr(current, &saved_mask);
                 printk(KERN_WARNING "get performance failed with error %d\n",
                        ret);
                 ret = 0;
@@ -131,7 +131,7 @@ processor_get_freq (
         ret = (clock_freq*1000);
 
 migrate_end:
-        set_cpus_allowed(current, saved_mask);
+        set_cpus_allowed_ptr(current, &saved_mask);
         return ret;
 }
 
@@ -151,7 +151,7 @@ processor_set_freq (
         dprintk("processor_set_freq\n");
 
         saved_mask = current->cpus_allowed;
-        set_cpus_allowed(current, cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, cpumask_of(cpu));
         if (smp_processor_id() != cpu) {
                 retval = -EAGAIN;
                 goto migrate_end;
@@ -208,7 +208,7 @@ processor_set_freq (
         retval = 0;
 
 migrate_end:
-        set_cpus_allowed(current, saved_mask);
+        set_cpus_allowed_ptr(current, &saved_mask);
         return (retval);
 }
 
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 640479304ac0..f14c35f9b03a 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -29,6 +29,7 @@
 #include <linux/threads.h>
 #include <linux/bitops.h>
 #include <linux/irq.h>
+#include <linux/ratelimit.h>
 
 #include <asm/delay.h>
 #include <asm/intrinsics.h>
@@ -467,13 +468,9 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
                 sp = ia64_getreg(_IA64_REG_SP);
 
                 if ((sp - bsp) < 1024) {
-                        static unsigned char count;
-                        static long last_time;
+                        static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
 
-                        if (time_after(jiffies, last_time + 5 * HZ))
-                                count = 0;
-                        if (++count < 5) {
-                                last_time = jiffies;
+                        if (__ratelimit(&ratelimit)) {
                                 printk("ia64_handle_irq: DANGER: less than "
                                        "1KB of free stack space!!\n"
                                        "(bsp=0x%lx, sp=%lx)\n", bsp, sp);
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index e6676fca4828..aa8b5fa1a8de 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -404,10 +404,9 @@ static void
 call_on_cpu(int cpu, void (*fn)(void *), void *arg)
 {
         cpumask_t save_cpus_allowed = current->cpus_allowed;
-        cpumask_t new_cpus_allowed = cpumask_of_cpu(cpu);
-        set_cpus_allowed(current, new_cpus_allowed);
+        set_cpus_allowed_ptr(current, cpumask_of(cpu));
         (*fn)(arg);
-        set_cpus_allowed(current, save_cpus_allowed);
+        set_cpus_allowed_ptr(current, &save_cpus_allowed);
 }
 
 static void
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 28f299de2903..0baa1bbb65fe 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -361,12 +361,12 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
                 return 0;
 
         oldmask = current->cpus_allowed;
-        retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
+        retval = set_cpus_allowed_ptr(current, cpumask_of(cpu));
         if (unlikely(retval))
                 return retval;
 
         retval = cpu_cache_sysfs_init(cpu);
-        set_cpus_allowed(current, oldmask);
+        set_cpus_allowed_ptr(current, &oldmask);
         if (unlikely(retval < 0))
                 return retval;
 
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 776dd40397e2..622772b7fb6c 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -17,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/tty.h>
+#include <linux/ratelimit.h>
 
 #include <asm/intrinsics.h>
 #include <asm/processor.h>
@@ -1283,24 +1284,9 @@ emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
 /*
  * Make sure we log the unaligned access, so that user/sysadmin can notice it and
  * eventually fix the program.  However, we don't want to do that for every access so we
- * pace it with jiffies.  This isn't really MP-safe, but it doesn't really have to be
- * either...
+ * pace it with jiffies.
  */
-static int
-within_logging_rate_limit (void)
-{
-        static unsigned long count, last_time;
-
-        if (time_after(jiffies, last_time + 5 * HZ))
-                count = 0;
-        if (count < 5) {
-                last_time = jiffies;
-                count++;
-                return 1;
-        }
-        return 0;
-
-}
+static DEFINE_RATELIMIT_STATE(logging_rate_limit, 5 * HZ, 5);
 
 void
 ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
@@ -1337,7 +1323,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
 
                 if (!no_unaligned_warning &&
                     !(current->thread.flags & IA64_THREAD_UAC_NOPRINT) &&
-                    within_logging_rate_limit())
+                    __ratelimit(&logging_rate_limit))
                 {
                         char buf[200];  /* comm[] is at most 16 bytes... */
                         size_t len;
@@ -1370,7 +1356,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
                         }
                 }
         } else {
-                if (within_logging_rate_limit()) {
+                if (__ratelimit(&logging_rate_limit)) {
                         printk(KERN_WARNING "kernel unaligned access to 0x%016lx, ip=0x%016lx\n",
                                ifa, regs->cr_iip + ipsr->ri);
                         if (unaligned_dump_stack)