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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2014-05-15 05:06:42 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-17 08:26:51 -0500 |
| commit | 50062175ffc844b8ff9664024c6416a37ad63c77 (patch) | |
| tree | acde5ad578854a34a31a97eea496cfd5e6e155ef /fs | |
| parent | new helper: iter_is_iovec() (diff) | |
| download | linux-dev-50062175ffc844b8ff9664024c6416a37ad63c77.tar.xz linux-dev-50062175ffc844b8ff9664024c6416a37ad63c77.zip | |
vm_area_operations: kill ->migrate()
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/kernfs/file.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index 697390ea47b8..ddc9f9612f16 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -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 }; |