On Mon, Feb 29, 2016 at 02:41:59PM -0500, Johannes Weiner wrote: > That, or switch to read() from a separate thread for cache priming. mmap(MAP_POPULATE) would save you some copy_to_user() overhead, comparing to read(). -- Kirill A. Shutemov -- 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>