> > If the system 512MB memory, DEF_PRIORITY mean 128kB scan and It takes 4096 > > shrink_page_list() calls to scan 128kB (i.e. 128kB/32=4096) memory. > > Err you must forgot the page size. page size? DEF_PRIORITY is 12. 512MB >> DEF_PRIORITY = 512MB / 4096 = 128kB 128kB scan mean 4096 times shrink_list(). because one shrink_list() scan SWAP_CLUSTER_MAX (i.e. 32). > > 128kB means 128kB/4kB=32 pages which fit exactly into one > SWAP_CLUSTER_MAX batch. The shrink_page_list() call times > has nothing to do DEF_PRIORITY. Umm.. I haven't catch this mention. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>