summaryrefslogtreecommitdiff
path: root/include/linux/cpuset.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/cpuset.h')
-rw-r--r--include/linux/cpuset.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
new file mode 100644
index 000000000000..2d9a500d994d
--- /dev/null
+++ b/include/linux/cpuset.h
@@ -0,0 +1,64 @@
+#ifndef _LINUX_CPUSET_H
+#define _LINUX_CPUSET_H
+/*
+ * cpuset interface
+ *
+ * Copyright (C) 2003 BULL SA
+ * Copyright (C) 2004 Silicon Graphics, Inc.
+ *
+ */
+
+#include <linux/sched.h>
+#include <linux/cpumask.h>
+#include <linux/nodemask.h>
+
+#ifdef CONFIG_CPUSETS
+
+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 const cpumask_t cpuset_cpus_allowed(const struct task_struct *p);
+void cpuset_init_current_mems_allowed(void);
+void cpuset_update_current_mems_allowed(void);
+void cpuset_restrict_to_mems_allowed(unsigned long *nodes);
+int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl);
+int cpuset_zone_allowed(struct zone *z);
+extern struct file_operations proc_cpuset_operations;
+extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer);
+
+#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)
+{
+ return cpu_possible_map;
+}
+
+static inline void cpuset_init_current_mems_allowed(void) {}
+static inline void cpuset_update_current_mems_allowed(void) {}
+static inline void cpuset_restrict_to_mems_allowed(unsigned long *nodes) {}
+
+static inline int cpuset_zonelist_valid_mems_allowed(struct zonelist *zl)
+{
+ return 1;
+}
+
+static inline int cpuset_zone_allowed(struct zone *z)
+{
+ return 1;
+}
+
+static inline char *cpuset_task_status_allowed(struct task_struct *task,
+ char *buffer)
+{
+ return buffer;
+}
+
+#endif /* !CONFIG_CPUSETS */
+
+#endif /* _LINUX_CPUSET_H */