[Crash-utility] Re: [PATCH] Fix "kmem -p" option on Linux 6.16-rc1 and later kernels

LGTM, ack. Thanks, Tao Liu On Tue, Jun 17, 2025 at 6:09 PM HAGIO KAZUHITO(萩尾　一仁) <k-hagio-ab(a)nec.com&gt; wrote: > > Kernel commit acc53a0b4c156 ("mm: rename page->index to > page->__folio_index"), which is contained in Linux 6.16-rc1 and later > kernels, renamed the member. Without the patch, the "kmem -p" option > fails with the following error: > > kmem: invalid structure member offset: page_index > FILE: memory.c LINE: 6016 FUNCTION: dump_mem_map_SPARSEMEM() > > Signed-off-by: Kazuhito Hagio <k-hagio-ab(a)nec.com&gt; > --- > memory.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/memory.c b/memory.c > index 0d8d89862383..5cb8b58e2181 100644 > --- a/memory.c > +++ b/memory.c > @@ -531,6 +531,8 @@ vm_init(void) > ASSIGN_OFFSET(page_mapping) = MEMBER_OFFSET("page", "_mapcount") + > STRUCT_SIZE("atomic_t") + sizeof(ulong); > MEMBER_OFFSET_INIT(page_index, "page", "index"); > + if (INVALID_MEMBER(page_index)) /* 6.16 and later */ > + MEMBER_OFFSET_INIT(page_index, "page", "__folio_index"); > if (INVALID_MEMBER(page_index)) > ANON_MEMBER_OFFSET_INIT(page_index, "page", "index"); > MEMBER_OFFSET_INIT(page_buffers, "page", "buffers"); > -- > 2.31.1 > -- > Crash-utility mailing list -- devel(a)lists.crash-utility.osci.io > To unsubscribe send an email to devel-leave(a)lists.crash-utility.osci.io > https://${domain_name}/admin/lists/devel.lists.crash-utility.osci.io/ > Contribution Guidelines: https://github.com/crash-utility/crash/wiki