Hi Timur, On 23/06/2015:06:19:01 PM, Timur Tabi wrote: > On Fri, May 15, 2015 at 1:30 PM, Pratyush Anand <panand at redhat.com> wrote: > > Patch adds support for ARM64 in makedumpfile. It takes care of vmalloc, > > vmemmap, module and directly map kernel memory region's translation. > > > > Currently we only support 2 leverl 64K pages and VA_BITS as 42. Support > > to find these machine specific parameters dynamically and then to act > > accordingly can be added latter. > > So ARM64 kernels are typically compiled with 3-level 4KB pages: > > CONFIG_ARM64_4K_PAGES=y > # CONFIG_ARM64_64K_PAGES is not set > CONFIG_ARM64_VA_BITS_39=y > # CONFIG_ARM64_VA_BITS_48 is not set > CONFIG_ARM64_VA_BITS=39 > > Does this mean that your patch won't work on such a kernel? If so, do Yes, it will not work with above kernel. > you have any plans to add support for 4K 3-level pages? I can try to find out some time in weekend to refactor arm64 code and then add 3 level, 4K support. May be I will need a Tested-by. ~Pratyush
