On 1/6/21 2:17 AM, paulmck@xxxxxxxxxx wrote:
> From: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
>
> This commit adds the starting address and number of pages to the vmalloc()
> information dumped by way of vmalloc_dump_obj().
>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> Cc: <linux-mm@xxxxxxxxx>
> Reported-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> Suggested-by: Vlastimil Babka <vbabka@xxxxxxx>
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
> ---
> mm/vmalloc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index c274ea4..e3229ff 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -3456,7 +3456,8 @@ bool vmalloc_dump_obj(void *object)
> vm = find_vm_area(objp);
> if (!vm)
> return false;
> - pr_cont(" vmalloc allocated at %pS\n", vm->caller);
> + pr_cont(" %u-page vmalloc region starting at %#lx allocated at %pS\n",
> + vm->nr_pages, (unsigned long)vm->addr, vm->caller);
> return true;
> }
>
>
