On Fri, 19 Dec 2008 08:53:28 +0100 Nick Piggin <npiggin@xxxxxxx> wrote: > On Thu, Dec 18, 2008 at 11:35:49PM -0800, Andrew Morton wrote: > > On Fri, 19 Dec 2008 08:29:09 +0100 Nick Piggin <npiggin@xxxxxxx> wrote: > > > > > Introduce a new page flag, PG_waiters > > > > Leaving how many? > > Don't know... Need to know! page.flags is prime real estate and we should decide whether gaining 2% in a particular microbenchmark is our best use of it > I thought the page-flags.h obfuscation project was > supposed to make that clearer to work out. There are what, 21 flags > used now. If everything is coded properly, then the memory model > should automatically kick its metadata out of page flags if it gets > too big. That would be nice :) > But most likely it will just blow up. If we use them all _now_, as I proposed, we'll find out about that. > Probably we want > at least a few flags for memory model on 32-bit for smaller systems > (big NUMA 32-bit systems probably don't matter much anymore). > > > > fs-cache wants to take two more. > > fs-cache is getting merged? See thread titled "Pull request for FS-Cache, including NFS patches" > Wow, I've wanted to review that. That would be good. -- 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
