Hello, On Thu, Jan 19, 2017 at 07:35:53PM +0100, Claudio Imbrenda wrote: > +/* Checksum of an empty (zeroed) page */ > +static unsigned int zero_checksum; > + > +/* Whether to merge empty (zeroed) pages with actual zero pages */ > +static bool ksm_use_zero_pages; Both could be defined as __read_mostly. -- 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>