diff options
| -rw-r--r-- | include/linux/mempolicy.h | 14 | ||||
| -rw-r--r-- | kernel/cpuset.c | 4 | ||||
| -rw-r--r-- | kernel/fork.c | 4 | ||||
| -rw-r--r-- | mm/mempolicy.c | 6 | ||||
| -rw-r--r-- | mm/mmap.c | 4 |
5 files changed, 16 insertions, 16 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 507bf5e..5e19c22 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -73,10 +73,10 @@ struct mm_struct; * Mempolicy objects are reference counted. A mempolicy will be freed when * mpol_put() decrements the reference count to zero. * - * Copying policy objects: - * mpol_copy() allocates a new mempolicy and copies the specified mempolicy + * Duplicating policy objects: + * mpol_dup() allocates a new mempolicy and copies the specified mempolicy * to the new storage. The reference count of the new object is initialized - * to 1, representing the caller of mpol_copy(). + * to 1, representing the caller of mpol_dup(). */ struct mempolicy { atomic_t refcnt; @@ -105,11 +105,11 @@ static inline void mpol_put(struct mempolicy *pol) __mpol_put(pol); } -extern struct mempolicy *__mpol_copy(struct mempolicy *pol); -static inline struct mempolicy *mpol_copy(struct mempolicy *pol) +extern struct mempolicy *__mpol_dup(struct mempolicy *pol); +static inline struct mempolicy *mpol_dup(struct mempolicy *pol) { if (pol) - pol = __mpol_copy(pol); + pol = __mpol_dup(pol); return pol; } @@ -198,7 +198,7 @@ static inline void mpol_get(struct mempolicy *pol) { } -static inline struct mempolicy *mpol_copy(struct mempolicy *old) +static inline struct mempolicy *mpol_dup(struct mempolicy *old) { return NULL; } diff --git a/kernel/cpuset.c b/kernel/cpuset.c index c9923e3..024888b 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -941,7 +941,7 @@ static int update_nodemask(struct cpuset *cs, char *buf) cs->mems_generation = cpuset_mems_generation++; mutex_unlock(&callback_mutex); - cpuset_being_rebound = cs; /* causes mpol_copy() rebind */ + cpuset_being_rebound = cs; /* causes mpol_dup() rebind */ fudge = 10; /* spare mmarray[] slots */ fudge += cpus_weight(cs->cpus_allowed); /* imagine one fork-bomb/cpu */ @@ -992,7 +992,7 @@ static int update_nodemask(struct cpuset *cs, char *buf) * rebind the vma mempolicies of each mm in mmarray[] to their * new cpuset, and release that mm. The mpol_rebind_mm() * call takes mmap_sem, which we couldn't take while holding - * tasklist_lock. Forks can happen again now - the mpol_copy() + * tasklist_lock. Forks can happen again now - the mpol_dup() * cpuset_being_rebound check will catch such forks, and rebind * their vma mempolicies too. Because we still hold the global * cgroup_mutex, we know that no other rebind effort will diff --git a/kernel/fork.c b/kernel/fork.c index 1a5ae20..6067e42 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -279,7 +279,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) if (!tmp) goto fail_nomem; *tmp = *mpnt; - pol = mpol_copy(vma_policy(mpnt)); + pol = mpol_dup(vma_policy(mpnt)); retval = PTR_ERR(pol); if (IS_ERR(pol)) goto fail_nomem_policy; @@ -1116,7 +1116,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->audit_context = NULL; cgroup_fork(p); #ifdef CONFIG_NUMA - p->mempolicy = mpol_copy(p->mempolicy); + p->mempolicy = mpol_dup(p->mempolicy); if (IS_ERR(p->mempolicy)) { retval = PTR_ERR(p->mempolicy); p->mempolicy = NULL; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index ce2c5b6..e9fc1c1 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1566,15 +1566,15 @@ struct page *alloc_pages_current(gfp_t gfp, unsigned order) EXPORT_SYMBOL(alloc_pages_current); /* - * If mpol_copy() sees current->cpuset == cpuset_being_rebound, then it + * If mpol_dup() sees current->cpuset == cpuset_being_rebound, then it * rebinds the mempolicy its copying by calling mpol_rebind_policy() * with the mems_allowed returned by cpuset_mems_allowed(). This * keeps mempolicies cpuset relative after its cpuset moves. See * further kernel/cpuset.c update_nodemask(). */ -/* Slow path of a mempolicy copy */ -struct mempolicy *__mpol_copy(struct mempolicy *old) +/* Slow path of a mempolicy duplicate */ +struct mempolicy *__mpol_dup(struct mempolicy *old) { struct mempolicy *new = kmem_cache_alloc(policy_cache, GFP_KERNEL); @@ -1810,7 +1810,7 @@ int split_vma(struct mm_struct * mm, struct vm_area_struct * vma, new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT); } - pol = mpol_copy(vma_policy(vma)); + pol = mpol_dup(vma_policy(vma)); if (IS_ERR(pol)) { kmem_cache_free(vm_area_cachep, new); return PTR_ERR(pol); @@ -2126,7 +2126,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, new_vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); if (new_vma) { *new_vma = *vma; - pol = mpol_copy(vma_policy(vma)); + pol = mpol_dup(vma_policy(vma)); if (IS_ERR(pol)) { kmem_cache_free(vm_area_cachep, new_vma); return NULL; |
