> On Thu, Mar 24, 2011 at 4:28 PM, KOSAKI Motohiro > <kosaki.motohiro@xxxxxxxxxxxxxx> wrote: > >> For example, In 4G desktop system. > >> 32M full scanning and fail to reclaim a page. > >> It's under 1% coverage. > > > > ?? I'm sorry. I haven't catch it. > > Where 32M come from? > > (1<<12) * 4K + (1<<11) + 4K + .. (1 << 0) + 4K in shrink_zones. (lru-pages>>12) + (lru-pages>>11) + (lru-pages>>10) ... =~ 2 * lru-page ? -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>