On 01/10/2014 01:10 PM, Johannes Weiner wrote: > shmem mappings already contain exceptional entries where swap slot > information is remembered. > > To be able to store eviction information for regular page cache, > prepare every site dealing with the radix trees directly to handle > entries other than pages. > > The common lookup functions will filter out non-page entries and > return NULL for page cache holes, just as before. But provide a raw > version of the API which returns non-page entries as well, and switch > shmem over to use it. > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>