Messages in this thread | | | Subject | Re: [PATCH mm,percpu_ref,rcu 4/6] mm: Make mem_obj_dump() vmalloc() dumps include start and length | From | Vlastimil Babka <> | Date | Fri, 8 Jan 2021 16:30:46 +0100 |
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On 1/6/21 2:17 AM, paulmck@kernel.org wrote: > From: "Paul E. McKenney" <paulmck@kernel.org> > > 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@linux-foundation.org> > Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> > Cc: <linux-mm@kvack.org> > Reported-by: Andrii Nakryiko <andrii@kernel.org> > Suggested-by: Vlastimil Babka <vbabka@suse.cz> > Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
> --- > 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; > } > >
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