diff options
| -rw-r--r-- | kernel/memremap.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/memremap.c b/kernel/memremap.c index b095174..12e7852 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -396,17 +396,6 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, align_end = align_start + align_size - 1; foreach_order_pgoff(res, order, pgoff) { - struct dev_pagemap *dup; - - rcu_read_lock(); - dup = find_dev_pagemap(res->start + PFN_PHYS(pgoff)); - rcu_read_unlock(); - if (dup) { - dev_err(dev, "%s: %pr collides with mapping for %s\n", - __func__, res, dev_name(dup->dev)); - error = -EBUSY; - break; - } error = __radix_tree_insert(&pgmap_radix, PHYS_PFN(res->start) + pgoff, order, page_map); if (error) { |
