diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/memory.c b/mm/memory.c index f721735ff947..be44d0b36b18 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3388,11 +3388,11 @@ void unmap_mapping_folio(struct folio *folio) details.even_cows = false; details.single_folio = folio; - i_mmap_lock_write(mapping); + i_mmap_lock_read(mapping); if (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root))) unmap_mapping_range_tree(&mapping->i_mmap, first_index, last_index, &details); - i_mmap_unlock_write(mapping); + i_mmap_unlock_read(mapping); } /** @@ -3418,11 +3418,11 @@ void unmap_mapping_pages(struct address_space *mapping, pgoff_t start, if (last_index < first_index) last_index = ULONG_MAX; - i_mmap_lock_write(mapping); + i_mmap_lock_read(mapping); if (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap.rb_root))) unmap_mapping_range_tree(&mapping->i_mmap, first_index, last_index, &details); - i_mmap_unlock_write(mapping); + i_mmap_unlock_read(mapping); } EXPORT_SYMBOL_GPL(unmap_mapping_pages); |