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authorPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-13 15:06:28 +0900
commitf43dc23d5ea91fca257be02138a255f02d98e806 (patch)
treeb29722f6e965316e90ac97abf79923ced250dc21 /include/linux/mempolicy.h
parentf8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff)
parent4162cf64973df51fc885825bc9ca4d055891c49f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts: arch/sh/kernel/cpu/sh2/setup-sh7619.c arch/sh/kernel/cpu/sh2a/setup-mxg.c arch/sh/kernel/cpu/sh2a/setup-sh7201.c arch/sh/kernel/cpu/sh2a/setup-sh7203.c arch/sh/kernel/cpu/sh2a/setup-sh7206.c arch/sh/kernel/cpu/sh3/setup-sh7705.c arch/sh/kernel/cpu/sh3/setup-sh770x.c arch/sh/kernel/cpu/sh3/setup-sh7710.c arch/sh/kernel/cpu/sh3/setup-sh7720.c arch/sh/kernel/cpu/sh4/setup-sh4-202.c arch/sh/kernel/cpu/sh4/setup-sh7750.c arch/sh/kernel/cpu/sh4/setup-sh7760.c arch/sh/kernel/cpu/sh4a/setup-sh7343.c arch/sh/kernel/cpu/sh4a/setup-sh7366.c arch/sh/kernel/cpu/sh4a/setup-sh7722.c arch/sh/kernel/cpu/sh4a/setup-sh7723.c arch/sh/kernel/cpu/sh4a/setup-sh7724.c arch/sh/kernel/cpu/sh4a/setup-sh7763.c arch/sh/kernel/cpu/sh4a/setup-sh7770.c arch/sh/kernel/cpu/sh4a/setup-sh7780.c arch/sh/kernel/cpu/sh4a/setup-sh7785.c arch/sh/kernel/cpu/sh4a/setup-sh7786.c arch/sh/kernel/cpu/sh4a/setup-shx3.c arch/sh/kernel/cpu/sh5/setup-sh5.c drivers/serial/sh-sci.c drivers/serial/sh-sci.h include/linux/serial_sci.h
Diffstat (limited to 'include/linux/mempolicy.h')
-rw-r--r--include/linux/mempolicy.h29
1 files changed, 26 insertions, 3 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 085c903fe0f1..31ac26ca4acf 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -23,6 +23,13 @@ enum {
MPOL_MAX, /* always last member of enum */
};
+enum mpol_rebind_step {
+ MPOL_REBIND_ONCE, /* do rebind work at once(not by two step) */
+ MPOL_REBIND_STEP1, /* first step(set all the newly nodes) */
+ MPOL_REBIND_STEP2, /* second step(clean all the disallowed nodes)*/
+ MPOL_REBIND_NSTEP,
+};
+
/* Flags for set_mempolicy */
#define MPOL_F_STATIC_NODES (1 << 15)
#define MPOL_F_RELATIVE_NODES (1 << 14)
@@ -51,6 +58,7 @@ enum {
*/
#define MPOL_F_SHARED (1 << 0) /* identify shared policies */
#define MPOL_F_LOCAL (1 << 1) /* preferred local allocation */
+#define MPOL_F_REBINDING (1 << 2) /* identify policies in rebinding */
#ifdef __KERNEL__
@@ -193,14 +201,17 @@ struct mempolicy *mpol_shared_policy_lookup(struct shared_policy *sp,
extern void numa_default_policy(void);
extern void numa_policy_init(void);
-extern void mpol_rebind_task(struct task_struct *tsk,
- const nodemask_t *new);
+extern void mpol_rebind_task(struct task_struct *tsk, const nodemask_t *new,
+ enum mpol_rebind_step step);
extern void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new);
extern void mpol_fix_fork_child_flag(struct task_struct *p);
extern struct zonelist *huge_zonelist(struct vm_area_struct *vma,
unsigned long addr, gfp_t gfp_flags,
struct mempolicy **mpol, nodemask_t **nodemask);
+extern bool init_nodemask_of_mempolicy(nodemask_t *mask);
+extern bool mempolicy_nodemask_intersects(struct task_struct *tsk,
+ const nodemask_t *mask);
extern unsigned slab_node(struct mempolicy *policy);
extern enum zone_type policy_zone;
@@ -307,7 +318,8 @@ static inline void numa_default_policy(void)
}
static inline void mpol_rebind_task(struct task_struct *tsk,
- const nodemask_t *new)
+ const nodemask_t *new,
+ enum mpol_rebind_step step)
{
}
@@ -328,6 +340,17 @@ static inline struct zonelist *huge_zonelist(struct vm_area_struct *vma,
return node_zonelist(0, gfp_flags);
}
+static inline bool init_nodemask_of_mempolicy(nodemask_t *m)
+{
+ return false;
+}
+
+static inline bool mempolicy_nodemask_intersects(struct task_struct *tsk,
+ const nodemask_t *mask)
+{
+ return false;
+}
+
static inline int do_migrate_pages(struct mm_struct *mm,
const nodemask_t *from_nodes,
const nodemask_t *to_nodes, int flags)