• Andrew Morton's avatar
    [PATCH] hot-n-cold pages: use cold pages for readahead · 5019ce29
    Andrew Morton authored
    It is usually the case that pagecache reads use busmastering hardware
    to transfer the data into pagecache.  This invalidates the CPU cache of
    the pagecache pages.
    
    So use cache-cold pages for pagecache reads.  To avoid wasting
    cache-hot pages.
    5019ce29
readahead.c 12.1 KB