netlink: fix NETLINK_RECV_NO_ENOBUFS in netlink_set_err()

[linux-2.6.git] / include / linux / cpuset.h

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 34081c168af5f122883a22e1b1a05ba61f93e9ff..a5740fc4d04b9415478f4180dcbdad289f5eb281 100644 (file)
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -4,13 +4,15 @@
  *  cpuset interface
  *
  *  Copyright (C) 2003 BULL SA
- *  Copyright (C) 2004 Silicon Graphics, Inc.
+ *  Copyright (C) 2004-2006 Silicon Graphics, Inc.
  *
  */
 
 #include <linux/sched.h>
 #include <linux/cpumask.h>
 #include <linux/nodemask.h>
+#include <linux/cgroup.h>
+#include <linux/mm.h>
 
 #ifdef CONFIG_CPUSETS
 
@@ -18,23 +20,41 @@ extern int number_of_cpusets;       /* How many cpusets are defined in system? */
 
 extern int cpuset_init(void);
 extern void cpuset_init_smp(void);
-extern void cpuset_fork(struct task_struct *p);
-extern void cpuset_exit(struct task_struct *p);
-extern cpumask_t cpuset_cpus_allowed(struct task_struct *p);
+extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask);
+extern void cpuset_cpus_allowed_locked(struct task_struct *p,
+                                      struct cpumask *mask);
 extern nodemask_t cpuset_mems_allowed(struct task_struct *p);
+#define cpuset_current_mems_allowed (current->mems_allowed)
 void cpuset_init_current_mems_allowed(void);
-void cpuset_update_task_memory_state(void);
-#define cpuset_nodes_subset_current_mems_allowed(nodes) \
-               nodes_subset((nodes), current->mems_allowed)
-int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl);
+int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask);
 
-extern int __cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask);
-static int inline cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask)
+extern int __cpuset_node_allowed_softwall(int node, gfp_t gfp_mask);
+extern int __cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask);
+
+static inline int cpuset_node_allowed_softwall(int node, gfp_t gfp_mask)
+{
+       return number_of_cpusets <= 1 ||
+               __cpuset_node_allowed_softwall(node, gfp_mask);
+}
+
+static inline int cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask)
 {
-       return number_of_cpusets <= 1 || __cpuset_zone_allowed(z, gfp_mask);
+       return number_of_cpusets <= 1 ||
+               __cpuset_node_allowed_hardwall(node, gfp_mask);
 }
 
-extern int cpuset_excl_nodes_overlap(const struct task_struct *p);
+static inline int cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)
+{
+       return cpuset_node_allowed_softwall(zone_to_nid(z), gfp_mask);
+}
+
+static inline int cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask)
+{
+       return cpuset_node_allowed_hardwall(zone_to_nid(z), gfp_mask);
+}
+
+extern int cpuset_mems_allowed_intersects(const struct task_struct *tsk1,
+                                         const struct task_struct *tsk2);
 
 #define cpuset_memory_pressure_bump()                          \
        do {                                                    \
@@ -44,19 +64,51 @@ extern int cpuset_excl_nodes_overlap(const struct task_struct *p);
 extern int cpuset_memory_pressure_enabled;
 extern void __cpuset_memory_pressure_bump(void);
 
-extern struct file_operations proc_cpuset_operations;
-extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
+extern const struct file_operations proc_cpuset_operations;
+struct seq_file;
+extern void cpuset_task_status_allowed(struct seq_file *m,
+                                       struct task_struct *task);
+
+extern void cpuset_lock(void);
+extern void cpuset_unlock(void);
+
+extern int cpuset_mem_spread_node(void);
+
+static inline int cpuset_do_page_mem_spread(void)
+{
+       return current->flags & PF_SPREAD_PAGE;
+}
+
+static inline int cpuset_do_slab_mem_spread(void)
+{
+       return current->flags & PF_SPREAD_SLAB;
+}
+
+extern int current_cpuset_is_being_rebound(void);
+
+extern void rebuild_sched_domains(void);
+
+extern void cpuset_print_task_mems_allowed(struct task_struct *p);
+
+static inline void set_mems_allowed(nodemask_t nodemask)
+{
+       current->mems_allowed = nodemask;
+}
 
 #else /* !CONFIG_CPUSETS */
 
 static inline int cpuset_init(void) { return 0; }
 static inline void cpuset_init_smp(void) {}
-static inline void cpuset_fork(struct task_struct *p) {}
-static inline void cpuset_exit(struct task_struct *p) {}
 
-static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p)
+static inline void cpuset_cpus_allowed(struct task_struct *p,
+                                      struct cpumask *mask)
+{
+       cpumask_copy(mask, cpu_possible_mask);
+}
+static inline void cpuset_cpus_allowed_locked(struct task_struct *p,
+                                             struct cpumask *mask)
 {
-       return cpu_possible_map;
+       cpumask_copy(mask, cpu_possible_mask);
 }
 
 static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)
@@ -64,31 +116,81 @@ static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)
        return node_possible_map;
 }
 
+#define cpuset_current_mems_allowed (node_states[N_HIGH_MEMORY])
 static inline void cpuset_init_current_mems_allowed(void) {}
-static inline void cpuset_update_task_memory_state(void) {}
-#define cpuset_nodes_subset_current_mems_allowed(nodes) (1)
 
-static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl)
+static inline int cpuset_nodemask_valid_mems_allowed(nodemask_t *nodemask)
+{
+       return 1;
+}
+
+static inline int cpuset_node_allowed_softwall(int node, gfp_t gfp_mask)
 {
        return 1;
 }
 
-static inline int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask)
+static inline int cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask)
 {
        return 1;
 }
 
-static inline int cpuset_excl_nodes_overlap(const struct task_struct *p)
+static inline int cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)
+{
+       return 1;
+}
+
+static inline int cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask)
+{
+       return 1;
+}
+
+static inline int cpuset_mems_allowed_intersects(const struct task_struct *tsk1,
+                                                const struct task_struct *tsk2)
 {
        return 1;
 }
 
 static inline void cpuset_memory_pressure_bump(void) {}
 
-static inline char *cpuset_task_status_allowed(struct task_struct *task,
-                                                       char *buffer)
+static inline void cpuset_task_status_allowed(struct seq_file *m,
+                                               struct task_struct *task)
+{
+}
+
+static inline void cpuset_lock(void) {}
+static inline void cpuset_unlock(void) {}
+
+static inline int cpuset_mem_spread_node(void)
+{
+       return 0;
+}
+
+static inline int cpuset_do_page_mem_spread(void)
+{
+       return 0;
+}
+
+static inline int cpuset_do_slab_mem_spread(void)
+{
+       return 0;
+}
+
+static inline int current_cpuset_is_being_rebound(void)
+{
+       return 0;
+}
+
+static inline void rebuild_sched_domains(void)
+{
+       partition_sched_domains(1, NULL, NULL);
+}
+
+static inline void cpuset_print_task_mems_allowed(struct task_struct *p)
+{
+}
+
+static inline void set_mems_allowed(nodemask_t nodemask)
 {
-       return buffer;
 }
 
 #endif /* !CONFIG_CPUSETS */