Bluetooth: Fix warnings for bt_key_strings and bt_slock_key_strings

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

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 3e00526..da7ff61 100644 (file)
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -36,6 +36,7 @@
 #include <linux/list.h>
 #include <linux/mempolicy.h>
 #include <linux/mm.h>
+#include <linux/memory.h>
 #include <linux/module.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
@@ -587,7 +588,6 @@ static int generate_sched_domains(cpumask_t **domains,
        int ndoms;              /* number of sched domains in result */
        int nslot;              /* next empty doms[] cpumask_t slot */
 
-       ndoms = 0;
        doms = NULL;
        dattr = NULL;
        csa = NULL;
@@ -674,10 +674,8 @@ restart:
         * Convert <csn, csa> to <ndoms, doms> and populate cpu masks.
         */
        doms = kmalloc(ndoms * sizeof(cpumask_t), GFP_KERNEL);
-       if (!doms) {
-               ndoms = 0;
+       if (!doms)
                goto done;
-       }
 
        /*
         * The rest of the code, including the scheduler, can deal with
@@ -732,6 +730,13 @@ restart:
 done:
        kfree(csa);
 
+       /*
+        * Fallback to the default domain if kmalloc() failed.
+        * See comments in partition_sched_domains().
+        */
+       if (doms == NULL)
+               ndoms = 1;
+
        *domains    = doms;
        *attributes = dattr;
        return ndoms;
@@ -2011,12 +2016,23 @@ static int cpuset_track_online_cpus(struct notifier_block *unused_nb,
  * Call this routine anytime after node_states[N_HIGH_MEMORY] changes.
  * See also the previous routine cpuset_track_online_cpus().
  */
-void cpuset_track_online_nodes(void)
+static int cpuset_track_online_nodes(struct notifier_block *self,
+                               unsigned long action, void *arg)
 {
        cgroup_lock();
-       top_cpuset.mems_allowed = node_states[N_HIGH_MEMORY];
-       scan_for_empty_cpusets(&top_cpuset);
+       switch (action) {
+       case MEM_ONLINE:
+               top_cpuset.mems_allowed = node_states[N_HIGH_MEMORY];
+               break;
+       case MEM_OFFLINE:
+               top_cpuset.mems_allowed = node_states[N_HIGH_MEMORY];
+               scan_for_empty_cpusets(&top_cpuset);
+               break;
+       default:
+               break;
+       }
        cgroup_unlock();
+       return NOTIFY_OK;
 }
 #endif
 
@@ -2032,6 +2048,7 @@ void __init cpuset_init_smp(void)
        top_cpuset.mems_allowed = node_states[N_HIGH_MEMORY];
 
        hotcpu_notifier(cpuset_track_online_cpus, 0);
+       hotplug_memory_notifier(cpuset_track_online_nodes, 10);
 }
 
 /**