On Wed, Jun 24, 2020 at 01:48:08PM +0200, Gerald Schaefer wrote: > On Wed, 24 Jun 2020 13:05:39 +0200 > Alexander Gordeev <agordeev@xxxxxxxxxxxxx> wrote: > > > On Wed, Jun 24, 2020 at 08:43:10AM +0530, Anshuman Khandual wrote: > > > > [...] > > > > > Hello Gerald/Christophe/Vineet, > > > > > > It would be really great if you could give this series a quick test > > > on s390/ppc/arc platforms respectively. Thank you. > > > > That worked for me with the default and debug s390 configurations. > > Would you like to try with some particular options or combinations > > of the options? > > It will be enabled automatically on all archs that set > ARCH_HAS_DEBUG_VM_PGTABLE, which we do for s390 unconditionally. > Also, DEBUG_VM has to be set, which we have only in the debug config. > So only the s390 debug config will have it enabled, you can check > dmesg for "debug_vm_pgtable" to see when / where it was run, and if it > triggered any warnings. Yes, that is what I did ;) I should have been more clear. I wonder whether Anshuman has in mind other options which possibly makes sense to set or unset and check how it goes with non-standard configurations. > I also checked with the v3 series, and it works fine for s390.