On Thu, 8 Nov 2012 14:01:50 -0800 Andi Kleen <ak@xxxxxxxxxxxxxxx> wrote: > On Thu, Nov 08, 2012 at 01:29:46PM -0800, Andrew Morton wrote: > > On Thu, 8 Nov 2012 13:01:26 -0800 > > Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: > > > > > From: Andi Kleen <ak@xxxxxxxxxxxxxxx> > > > > > > Not hooked up to the harness so far, because it usually needs > > > special boot options for 1GB pages. > > > > This isn't the case from my reading: we *can* hook it up now? > > Yes, but also need to set the sysctls. That doesn't sound terribly involved? > > > index b336b24..7300d07 100644 > > > --- a/tools/testing/selftests/vm/Makefile > > > +++ b/tools/testing/selftests/vm/Makefile > > > @@ -1,9 +1,9 @@ > > > # Makefile for vm selftests > > > > > > CC = $(CROSS_COMPILE)gcc > > > -CFLAGS = -Wall -Wextra > > > +CFLAGS = -Wall > > > > Why this? It doesn't change anything with my gcc so I think > > I'll revert that. > > There were lots of warnings with signed/unsigned comparisons on my gcc > (4.6) and since I personally consider those useless I just disabled > the warning. eh, OK, I'll update the changelog. > > > > I just tried a `make run_vmtests' and it fell on its face. > > There's a little comment in there saying "please run as root", but we > > don't *want* that. The selftests should be runnable as non-root and > > should, where unavoidable, emit a warning and proceed if elevated > > permissions are required. > > My test requires root. That is only the ipc test requires root. > To be honest I have no idea why but I don't claim to understand > why ipcperms() does all the weird stuff it does. > > > > > > I tried running it as root and my workstation hung, requiring a reboot. > > Won't be doing that again. > > My test system didn't hang FWIW. It wasn't thuge-gen which hung. It happened really early in run_vmtests, perhaps setting nr_hugepages. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>