On Fri, Apr 26, 2024 at 04:25:40AM +0100, Matthew Wilcox wrote: > On Thu, Apr 25, 2024 at 08:58:34PM -0400, Kent Overstreet wrote: > > On Thu, Apr 25, 2024 at 05:43:33PM -0700, Kees Cook wrote: > > > All this said, I'm still not excited about any of these files living > > > in /proc at all -- we were supposed to use /sys for this kind of thing, > > > but its interface wasn't great for this kind of more "free-form" data, > > > and debugfs isn't good for production interfaces. /proc really should > > > only have pid information -- we end up exposing these top-level files to > > > every mount namespace with a /proc mount. :( But that's a yet-to-be-solved > > > problem... > > > > It really wouldn't be that hard to relax the 4k file limit in sysfs. > > It's a lot harder to relax the GregKH opposition to multiple values per > file in sysfs. Which makes no sense for columnar data.
