fedora core 6 1.2949 + vserver 2.2.0

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

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index 3bc6069..fd40441 100644 (file)
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -4,7 +4,7 @@
  *  cpuset interface
  *
  *  Copyright (C) 2003 BULL SA
- *  Copyright (C) 2004 Silicon Graphics, Inc.
+ *  Copyright (C) 2004-2006 Silicon Graphics, Inc.
  *
  */
 
@@ -23,16 +23,26 @@ 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 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);
 
-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_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask);
+extern int __cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask);
+
+static int inline cpuset_zone_allowed_softwall(struct zone *z, gfp_t gfp_mask)
+{
+       return number_of_cpusets <= 1 ||
+               __cpuset_zone_allowed_softwall(z, gfp_mask);
+}
+
+static int inline cpuset_zone_allowed_hardwall(struct zone *z, gfp_t gfp_mask)
 {
-       return number_of_cpusets <= 1 || __cpuset_zone_allowed(z, gfp_mask);
+       return number_of_cpusets <= 1 ||
+               __cpuset_zone_allowed_hardwall(z, gfp_mask);
 }
 
 extern int cpuset_excl_nodes_overlap(const struct task_struct *p);
@@ -51,6 +61,20 @@ extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
 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 void cpuset_track_online_nodes(void);
+
 #else /* !CONFIG_CPUSETS */
 
 static inline int cpuset_init_early(void) { return 0; }
@@ -69,6 +93,7 @@ static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)
        return node_possible_map;
 }
 
+#define cpuset_current_mems_allowed (node_online_map)
 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)
@@ -78,7 +103,12 @@ static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl)
        return 1;
 }
 
-static inline int cpuset_zone_allowed(struct zone *z, gfp_t gfp_mask)
+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;
 }
@@ -99,6 +129,23 @@ static inline char *cpuset_task_status_allowed(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 void cpuset_track_online_nodes(void) {}
+
 #endif /* !CONFIG_CPUSETS */
 
 #endif /* _LINUX_CPUSET_H */