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| author | Matthew Wilcox | 2017-12-04 10:30:18 +0100 |
|---|---|---|
| committer | Matthew Wilcox | 2018-10-21 16:46:37 +0200 |
| commit | 560d454bae08b5d5a132c5520177dede066334b7 (patch) | |
| tree | d1ba4efc4b2120964e2cf364aa3053f35fb5a414 /mm | |
| parent | mm: Convert delete_from_swap_cache to XArray (diff) | |
| download | kernel-qcow2-linux-560d454bae08b5d5a132c5520177dede066334b7.tar.gz kernel-qcow2-linux-560d454bae08b5d5a132c5520177dede066334b7.tar.xz kernel-qcow2-linux-560d454bae08b5d5a132c5520177dede066334b7.zip | |
mm: Convert __do_page_cache_readahead to XArray
This one is trivial.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/readahead.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/readahead.c b/mm/readahead.c index fc4dd364b37a..f3d6f9656a3c 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -176,9 +176,7 @@ unsigned int __do_page_cache_readahead(struct address_space *mapping, 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)) { /* * Page already present? Kick off the current batch of |