Lines Matching defs:readahead
57 /* Initial readahead hits is 4 to start up with a small window */
384 bool readahead;
389 * so let's bail out rather than confusing the readahead stat.
394 readahead = TestClearPageReadahead(page);
402 if (readahead)
408 if (readahead) {
586 * We can have no readahead hits to judge by: but must not get
602 /* Don't shrink readahead too fast */
639 * Primitive swap readahead code. We simply read an aligned block of
642 * the 'original' request together with the readahead ones...
645 * the readahead.
826 * Primitive swap readahead code. We simply read in a few pages whoes
887 * It's a main entry function for swap readahead. By the configuration,
889 * or vma-based(ie, virtual address based on faulty address) readahead.