Message ID | 20180306192413.5499-40-willy@infradead.org (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show |
diff --git a/mm/readahead.c b/mm/readahead.c index 3ff9763b0461..5f528d649d5e 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -174,9 +174,7 @@ int __do_page_cache_readahead(struct address_space *mapping, struct file *filp, if (page_offset > end_index) break; - rcu_read_lock(); - page = radix_tree_lookup(&mapping->i_pages, page_offset); - rcu_read_unlock(); + page = xa_load(&mapping->i_pages, page_offset); if (page && !xa_is_value(page)) continue;