readahead.c: fix comment
Fix a wrong comment over page_cache_async_readahead(). Signed-off-by: Huang Shijie <shijie8@gmail.com> Acked-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -523,7 +523,7 @@ EXPORT_SYMBOL_GPL(page_cache_sync_readahead);
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* @req_size: hint: total size of the read which the caller is performing in
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* pagecache pages
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*
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* page_cache_async_ondemand() should be called when a page is used which
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* page_cache_async_readahead() should be called when a page is used which
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* has the PG_readahead flag; this is a marker to suggest that the application
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* has used up enough of the readahead window that we should start pulling in
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* more pages.
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