Messages in this thread | | | Date | Sat, 28 Feb 2004 22:34:18 -0800 | From | Mike Fedyk <> | Subject | Re: 2.4.23aa2 (bugfixes and important VM improvements for the high end) |
| |
Rik van Riel wrote: > On Fri, 27 Feb 2004, Andrea Arcangeli wrote: >>>Then again, your stuff will also find pages the moment they're >>>cleaned, just at the cost of a (little?) bit more CPU time. >> >>exactly, that's an important effect of my patch and that's the only >>thing that o1 vm is taking care of, I don't think it's enough since the >>gigs of cache would still be like a memleak without my code. > > > ... however, if you have a hundred gigabyte of memory, or > even more, then you cannot afford to search the inactive > list for clean pages on swapout. It will end up using too > much CPU time. > > The FreeBSD people found this out the hard way, even on > smaller systems...
So that's what the inact_clean list is for in 2.4-rmap.
But your inactive lists are always much smaller than the active list on the smallish (< 1.5G) machines... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |