Commit 560d454b authored by Matthew Wilcox's avatar Matthew Wilcox
Browse files

mm: Convert __do_page_cache_readahead to XArray 



This one is trivial.

Signed-off-by: default avatarMatthew Wilcox <willy@infradead.org>
parent 4e17ec25

mm/readahead.c

+1 −3
Original line number Diff line number Diff line
@@ -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

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