Re: [Crash-utility] [PATCH] Fix "kmem -v" option on Linux 5.11-rc1 and later kernels

> Fix the "kmem -v" option on Linux 5.11-rc1 and later kernels > that contains commit 96e2db456135db0cf2476b6890f1e8b2fdcf21eb > ("mm/vmalloc: rework the drain logic"). Without the patch, > the option will display nothing or fail with the error message > "kmem: invalid kernel virtual address: <address> type: "vmlist addr". > > Signed-off-by: Kazuhito Hagio <k-hagio-ab(a)nec.com&gt; > --- > memory.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/memory.c b/memory.c > index 0848097eb4f5..33b0ca7af977 100644 > --- a/memory.c > +++ b/memory.c > @@ -403,8 +403,6 @@ vm_init(void) > VALID_MEMBER(vmap_area_va_end) && > VALID_MEMBER(vmap_area_list) && > VALID_MEMBER(vmap_area_vm) && > - (VALID_MEMBER(vmap_area_flags) || > - (OFFSET(vmap_area_vm) == MEMBER_OFFSET("vmap_area", "purge_list"))) && > kernel_symbol_exists("vmap_area_list")) > vt->flags |= USE_VMAP_AREA; Also looks good. Acked-by: Lianbo Jiang <lijiang(a)redhat.com&gt;