X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=mm%2Fmemory.c;h=be44d0b36b186c77c2f96635ecad5992a49701ef;hb=2c8659951654fc14c0351e33ca7604cdf670341e;hp=f721735ff947abe63fdf61acf601f951dd4b4551;hpb=566d3362885aab04d6b0f885f12db3176ca3a032;p=linux-2.6-microblaze.git

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);