/* Flags for mbind */
#define MPOL_MF_STRICT (1<<0) /* Verify existing pages in the mapping */
+#define MPOL_MF_MOVE (1<<1) /* Move pages owned by this process to conform to mapping */
+#define MPOL_MF_MOVE_ALL (1<<2) /* Move every page to conform to mapping */
+#define MPOL_MF_INTERNAL (1<<3) /* Internal flags start here */
#ifdef __KERNEL__
-#include <linux/config.h>
#include <linux/mmzone.h>
#include <linux/slab.h>
#include <linux/rbtree.h>
#include <linux/nodemask.h>
struct vm_area_struct;
+struct mm_struct;
#ifdef CONFIG_NUMA
nodemask_t nodes; /* interleave */
/* undefined for default */
} v;
+ nodemask_t cpuset_mems_allowed; /* mempolicy relative to these nodes */
};
/*
spinlock_t lock;
};
-static inline void mpol_shared_policy_init(struct shared_policy *info)
-{
- info->root = RB_ROOT;
- spin_lock_init(&info->lock);
-}
-
+void mpol_shared_policy_init(struct shared_policy *info, int policy,
+ nodemask_t *nodes);
int mpol_set_shared_policy(struct shared_policy *info,
struct vm_area_struct *vma,
struct mempolicy *new);
struct mempolicy *mpol_shared_policy_lookup(struct shared_policy *sp,
unsigned long idx);
-struct mempolicy *get_vma_policy(struct task_struct *task,
- struct vm_area_struct *vma, unsigned long addr);
-
extern void numa_default_policy(void);
extern void numa_policy_init(void);
-extern void numa_policy_rebind(const nodemask_t *old, const nodemask_t *new);
+extern void mpol_rebind_policy(struct mempolicy *pol, const nodemask_t *new);
+extern void mpol_rebind_task(struct task_struct *tsk,
+ const nodemask_t *new);
+extern void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new);
+extern void mpol_fix_fork_child_flag(struct task_struct *p);
+#define set_cpuset_being_rebound(x) (cpuset_being_rebound = (x))
+
+#ifdef CONFIG_CPUSET
+#define current_cpuset_is_being_rebound() \
+ (cpuset_being_rebound == current->cpuset)
+#else
+#define current_cpuset_is_being_rebound() 0
+#endif
+
extern struct mempolicy default_policy;
extern struct zonelist *huge_zonelist(struct vm_area_struct *vma,
unsigned long addr);
+extern unsigned slab_node(struct mempolicy *policy);
extern int policy_zone;
policy_zone = k;
}
+int do_migrate_pages(struct mm_struct *mm,
+ const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags);
+
+extern void *cpuset_being_rebound; /* Trigger mpol_copy vma rebind */
+
#else
struct mempolicy {};
return -EINVAL;
}
-static inline void mpol_shared_policy_init(struct shared_policy *info)
+static inline void mpol_shared_policy_init(struct shared_policy *info,
+ int policy, nodemask_t *nodes)
{
}
{
}
-static inline void numa_policy_rebind(const nodemask_t *old,
+static inline void mpol_rebind_policy(struct mempolicy *pol,
const nodemask_t *new)
{
}
+static inline void mpol_rebind_task(struct task_struct *tsk,
+ const nodemask_t *new)
+{
+}
+
+static inline void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new)
+{
+}
+
+static inline void mpol_fix_fork_child_flag(struct task_struct *p)
+{
+}
+
+#define set_cpuset_being_rebound(x) do {} while (0)
+
static inline struct zonelist *huge_zonelist(struct vm_area_struct *vma,
unsigned long addr)
{
return NODE_DATA(0)->node_zonelists + gfp_zone(GFP_HIGHUSER);
}
+static inline int do_migrate_pages(struct mm_struct *mm,
+ const nodemask_t *from_nodes,
+ const nodemask_t *to_nodes, int flags)
+{
+ return 0;
+}
+
static inline void check_highest_zone(int k)
{
}