diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2014-05-15 11:06:42 +0200 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-17 14:26:51 +0100 |
commit | 50062175ffc844b8ff9664024c6416a37ad63c77 (patch) | |
tree | acde5ad578854a34a31a97eea496cfd5e6e155ef /mm/migrate.c | |
parent | new helper: iter_is_iovec() (diff) | |
download | linux-50062175ffc844b8ff9664024c6416a37ad63c77.tar.xz linux-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 'mm/migrate.c')
-rw-r--r-- | mm/migrate.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index b1d02127e1be..344cdf692fc8 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1536,27 +1536,6 @@ out: return err; } -/* - * Call migration functions in the vma_ops that may prepare - * memory in a vm for migration. migration functions may perform - * the migration for vmas that do not have an underlying page struct. - */ -int migrate_vmas(struct mm_struct *mm, const nodemask_t *to, - const nodemask_t *from, unsigned long flags) -{ - struct vm_area_struct *vma; - int err = 0; - - for (vma = mm->mmap; vma && !err; vma = vma->vm_next) { - if (vma->vm_ops && vma->vm_ops->migrate) { - err = vma->vm_ops->migrate(vma, to, from, flags); - if (err) - break; - } - } - return err; -} - #ifdef CONFIG_NUMA_BALANCING /* * Returns true if this is a safe migration target node for misplaced NUMA |