On Wednesday 12 September 2007 06:11, Christoph Lameter wrote: > On Tue, 11 Sep 2007, Nick Piggin wrote: > > It would be interesting to craft an attack. If you knew roughly the > > layout and size of your dentry slab for example... maybe you could stat a > > whole lot of files, then open one and keep it open (maybe post the fd to > > a unix socket or something crazy!) when you think you have filled up a > > couple of MB worth of them. Repeat the process until your movable zone is > > gone. Or do the same things with pagetables, or task structs, or radix > > tree nodes, etc.. these are the kinds of things I worry about (as well as > > just the gradual natural degredation). > > I guess you would have to run that without my targeted slab reclaim > patchset? Otherwise the slab that are in the way could be reclaimed and > you could not produce your test case. I didn't realise you had patches to move pinned dentries, radix tree nodes, task structs, page tables etc. Did I miss them in your last patchset? - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
