[Crash-utility] Re: [PATCH] get vmalloc start address from vmcoreinfo

On 01/03/24 12:32 pm, Aditya Gupta wrote: > Below error is noticed when running crash on vmcore collected from a > linux-next > kernel crash (linux-next tag next-20240121): > >      # crash /boot/vmlinuz-6.8.0-rc5-next-20240221 ./vmcore >      …… >      …… >      For help, type “help”. >      Type "apropos word" to search for commands related to "word"... > >      crash: page excluded: kernel virtual address: c00000000219a2c0  > type: “vmlist" > > This occured since getting the vmalloc area base address doesn't work in > crash now, due to 'vmap_area_list' being removed in the linux kernel > with > below commit (in linux-next tree): > >      commit 378eb24a0658dd922b29524e0ce35c6c43f56cba >           mm/vmalloc: remove vmap_area_list > > As an alternative, the commit introduced 'VMALLOC_START' in > vmcoreinfo to > get base address of vmalloc area, use it to return vmallow start address > instead of depending on vmap_area_list and vmlist > LGTM. Acked-by: Hari Bathini <hbathini(a)linux.ibm.com&gt;