On Mon, Dec 1, 2008 at 10:02 PM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 01 Dec 2008 13:13:31 -0600 > Matt Mackall <mpm@xxxxxxxxxxx> wrote: > >> On Mon, 2008-12-01 at 10:12 -0800, Randy Dunlap wrote: >> > On Sat, 29 Nov 2008 15:49:07 -0800 Greg KH wrote: >> > >> > > On Sun, Nov 30, 2008 at 12:42:07AM +0300, Alexey Dobriyan wrote: >> > > > On Sat, Nov 29, 2008 at 06:44:49PM +0100, Remi Colinet wrote: >> > > > > This patch add a new /proc/mempool file in order to display mempool usage. >> > > > > >> > > > > The feature can be disabled with CONFIG_PROC_MEMPOOL=N during kernel >> > > > > configuration. >> > > > >> > > > We're NOT adding config option per proc file. >> > > > >> > > > And can we, please, freeze /proc for not per-process stuff and open debugfs >> > > > for random stuff, please? >> > > >> > > debugfs has been open for random stuff since the day it was added to the >> > > tree :) >> > > >> > > Feel free to put this kind of thing there instead of proc. >> > >> > Do distros ship with debugfs enabled? >> > The problem with using debugfs is that it is very optional IMO. >> >> The problem with debugfs is that it claims to not be an ABI but it is >> lying. Distributions ship tools that depend on portions of debugfs. And >> they also ship debugfs in their kernel. So it is effectively the same >> as /proc, except with the 1.0-era everything-goes attitude rather than >> the 2.6-era we-should-really-think-about-this one. >> >> Pushing stuff from procfs to debugfs is thus just setting us up for pain >> down the road. Don't do it. In five years, we'll discover we can't turn >> debugfs off or even clean it up because too much relies on it. >> >> If you think that debugfs is NOT an ABI, then I'm sure you'll be happy >> to ack my patch entitled 'gratuitously break usbmon to remind folks that >> debugfs is not an ABI'. > > ^^ yup. Hmm, I thought Documentation/ABI/ was supposed to tell us what's an ABI you can depend on and what's not. I mean, you shouldn't be depending on anything but the interfaces documented in Documentation/ABI/stable/, no? -- 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
