xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

vm_area_operations: kill ->migrate()

Browse Source 
the only instance this method has ever grown was one in kernfs -
one that call ->migrate() of another vm_ops if it exists.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-05-15 05:06:42 -04:00
parent 777eda2c5b
commit 50062175ff
5 changed files with 0 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
fs/kernfs/file.c
View File

@@ -448,27 +448,6 @@ static struct mempolicy *kernfs_vma_get_policy(struct vm_area_struct *vma,
return pol;
}
static int kernfs_vma_migrate(struct vm_area_struct *vma,
const nodemask_t *from, const nodemask_t *to,
unsigned long flags)
{
struct file *file = vma->vm_file;
struct kernfs_open_file *of = kernfs_of(file);
int ret;
if (!of->vm_ops)
return 0;
if (!kernfs_get_active(of->kn))
return 0;
ret = 0;
if (of->vm_ops->migrate)
ret = of->vm_ops->migrate(vma, from, to, flags);
kernfs_put_active(of->kn);
return ret;
}
#endif
static const struct vm_operations_struct kernfs_vm_ops = {
@@ -479,7 +458,6 @@ static const struct vm_operations_struct kernfs_vm_ops = {
#ifdef CONFIG_NUMA
.set_policy = kernfs_vma_set_policy,
.get_policy = kernfs_vma_get_policy,
.migrate = kernfs_vma_migrate,
#endif
};