Lines Matching defs:readahead
59 /* Initial readahead hits is 4 to start up with a small window */
356 bool readahead;
360 * so let's bail out rather than confusing the readahead stat.
365 readahead = folio_test_clear_readahead(folio);
373 if (readahead)
379 if (readahead) {
587 * We can have no readahead hits to judge by: but must not get
603 /* Don't shrink readahead too fast */
641 * Primitive swap readahead code. We simply read an aligned block of
644 * the 'original' request together with the readahead ones...
647 * are used for every page of the readahead: neighbouring pages on swap
809 * Primitive swap readahead code. We simply read in a few pages whose
890 * It's a main entry function for swap readahead. By the configuration,
892 * or vma-based(ie, virtual address based on faulty address) readahead.