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mm/vmalloc.c: change void* into explict vm_struct*

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vmap_area->private is void* but we don't use the field for various purpose
but use only for vm_struct.  So change it to a vm_struct* with naming to
improve for readability and type checking.

Signed-off-by: Minchan Kim <minchan@kernel.org>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Minchan Kim 2012-01-10 15:08:39 -08:00 committed by Linus Torvalds
parent 3770490ec8
commit db1aecafef
1 changed files with 4 additions and 4 deletions
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8
mm/vmalloc.c
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@ -256,7 +256,7 @@ struct vmap_area {
struct rb_node rb_node; /* address sorted rbtree */ struct rb_node rb_node; /* address sorted rbtree */
struct list_head list; /* address sorted list */ struct list_head list; /* address sorted list */
struct list_head purge_list; /* "lazy purge" list */ struct list_head purge_list; /* "lazy purge" list */
void *private; struct vm_struct *vm;
struct rcu_head rcu_head; struct rcu_head rcu_head;
}; };
@ -1285,7 +1285,7 @@ static void setup_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
vm->addr = (void *)va->va_start; vm->addr = (void *)va->va_start;
vm->size = va->va_end - va->va_start; vm->size = va->va_end - va->va_start;
vm->caller = caller; vm->caller = caller;
va->private = vm; va->vm = vm;
va->flags |= VM_VM_AREA; va->flags |= VM_VM_AREA;
} }
@ -1408,7 +1408,7 @@ static struct vm_struct *find_vm_area(const void *addr)
va = find_vmap_area((unsigned long)addr); va = find_vmap_area((unsigned long)addr);
if (va && va->flags & VM_VM_AREA) if (va && va->flags & VM_VM_AREA)
return va->private; return va->vm;
return NULL; return NULL;
} }
@ -1427,7 +1427,7 @@ struct vm_struct *remove_vm_area(const void *addr)
va = find_vmap_area((unsigned long)addr); va = find_vmap_area((unsigned long)addr);
if (va && va->flags & VM_VM_AREA) { if (va && va->flags & VM_VM_AREA) {
struct vm_struct *vm = va->private; struct vm_struct *vm = va->vm;
if (!(vm->flags & VM_UNLIST)) { if (!(vm->flags & VM_UNLIST)) {
struct vm_struct *tmp, **p; struct vm_struct *tmp, **p;