diff options
Diffstat (limited to 'include/linux/mempolicy.h')
| -rw-r--r-- | include/linux/mempolicy.h | 67 |
1 files changed, 5 insertions, 62 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 95b738c7abff..e5ccb9ddd90e 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -1,66 +1,10 @@ -#ifndef _LINUX_MEMPOLICY_H -#define _LINUX_MEMPOLICY_H 1 - -#include <linux/errno.h> - /* * NUMA memory policies for Linux. * Copyright 2003,2004 Andi Kleen SuSE Labs */ +#ifndef _LINUX_MEMPOLICY_H +#define _LINUX_MEMPOLICY_H 1 -/* - * Both the MPOL_* mempolicy mode and the MPOL_F_* optional mode flags are - * passed by the user to either set_mempolicy() or mbind() in an 'int' actual. - * The MPOL_MODE_FLAGS macro determines the legal set of optional mode flags. - */ - -/* Policies */ -enum { - MPOL_DEFAULT, - MPOL_PREFERRED, - MPOL_BIND, - MPOL_INTERLEAVE, - 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) - -/* - * MPOL_MODE_FLAGS is the union of all possible optional mode flags passed to - * either set_mempolicy() or mbind(). - */ -#define MPOL_MODE_FLAGS (MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES) - -/* Flags for get_mempolicy */ -#define MPOL_F_NODE (1<<0) /* return next IL mode instead of node mask */ -#define MPOL_F_ADDR (1<<1) /* look up vma using address */ -#define MPOL_F_MEMS_ALLOWED (1<<2) /* return allowed memories */ - -/* 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 */ - -/* - * Internal flags that share the struct mempolicy flags word with - * "mode flags". These flags are allocated from bit 0 up, as they - * are never OR'ed into the mode in mempolicy API arguments. - */ -#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__ #include <linux/mmzone.h> #include <linux/slab.h> @@ -68,6 +12,7 @@ enum mpol_rebind_step { #include <linux/spinlock.h> #include <linux/nodemask.h> #include <linux/pagemap.h> +#include <uapi/linux/mempolicy.h> struct mm_struct; @@ -188,7 +133,7 @@ struct sp_node { struct shared_policy { struct rb_root root; - spinlock_t lock; + struct mutex mutex; }; void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol); @@ -239,7 +184,7 @@ extern int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, /* Check if a vma is migratable */ static inline int vma_migratable(struct vm_area_struct *vma) { - if (vma->vm_flags & (VM_IO|VM_HUGETLB|VM_PFNMAP|VM_RESERVED)) + if (vma->vm_flags & (VM_IO | VM_HUGETLB | VM_PFNMAP)) return 0; /* * Migration allocates pages in the highest zone. If we cannot @@ -379,6 +324,4 @@ static inline int mpol_to_str(char *buffer, int maxlen, struct mempolicy *pol, } #endif /* CONFIG_NUMA */ -#endif /* __KERNEL__ */ - #endif |