Christophe LEROY <christophe.le...@c-s.fr> writes: > Hi Rashmica, > > Le 17/11/2016 à 13:03, Michael Ellerman a écrit : >> On Fri, 2016-27-05 at 05:48:59 UTC, Rashmica Gupta wrote: >>> Useful to be able to dump the kernels page tables to check permissions >>> and memory types - derived from arm64's implementation. >>> >>> Add a debugfs file to check the page tables. To use this the PPC_PTDUMP >>> config option must be selected. >>> >>> Signed-off-by: Rashmica Gupta <rashm...@gmail.com> >> >> Applied to powerpc next, thanks. >> >> https://git.kernel.org/powerpc/c/8eb07b187000d48152c4ef97f075bd > > For your information, compilation fails on mpc885_ads_defconfig when we > activate PPC_PTDUMP: > > CC arch/powerpc/mm/dump_linuxpagetables.o > arch/powerpc/mm/dump_linuxpagetables.c: In function 'walk_pagetables': > arch/powerpc/mm/dump_linuxpagetables.c:369:10: error: 'KERN_VIRT_START' > undeclared (first use in this function)
Yeah it's basically 64-bit only at the moment. I have a TODO for it: https://github.com/linuxppc/linux/issues/88 But I haven't got around to doing it, maybe someone who has more interest in 32-bit will have time before me ;) cheers