From: paulmck@kernel.org
To: linux-kernel@vger.kernel.org, rcu@vger.kernel.org, linux-mm@kvack.org
Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
ming.lei@redhat.com, axboe@kernel.dk, kernel-team@fb.com,
"Paul E. McKenney" <paulmck@kernel.org>
Subject: [PATCH mm,percpu_ref,rcu 4/6] mm: Make mem_obj_dump() vmalloc() dumps include start and length
Date: Tue, 5 Jan 2021 17:17:48 -0800 [thread overview]
Message-ID: <20210106011750.13709-4-paulmck@kernel.org> (raw)
In-Reply-To: <20210106011603.GA13180@paulmck-ThinkPad-P72>
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>
---
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;
}
--
2.9.5
next prev parent reply other threads:[~2021-01-06 1:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-06 1:16 [PATCH v4 sl-b 0/6] Export return addresses etc. for better diagnostics Paul E. McKenney
2021-01-06 1:17 ` [PATCH mm,percpu_ref,rcu 1/6] mm: Add mem_dump_obj() to print source of memory block paulmck
2021-01-08 13:50 ` Vlastimil Babka
2021-01-08 19:01 ` Paul E. McKenney
2021-01-08 19:41 ` Vlastimil Babka
2021-01-06 1:17 ` [PATCH mm,percpu_ref,rcu 2/6] mm: Make mem_dump_obj() handle NULL and zero-sized pointers paulmck
2021-01-06 1:17 ` [PATCH mm,percpu_ref,rcu 3/6] mm: Make mem_dump_obj() handle vmalloc() memory paulmck
2021-01-08 15:30 ` Vlastimil Babka
2021-01-06 1:17 ` paulmck [this message]
2021-01-08 15:30 ` [PATCH mm,percpu_ref,rcu 4/6] mm: Make mem_obj_dump() vmalloc() dumps include start and length Vlastimil Babka
2021-01-06 1:17 ` [PATCH mm,percpu_ref,rcu 5/6] rcu: Make call_rcu() print mem_dump_obj() info for double-freed callback paulmck
2021-01-06 1:17 ` [PATCH mm,percpu_ref,rcu 6/6] percpu_ref: Dump mem_dump_obj() info upon reference-count underflow paulmck
2021-01-06 21:48 ` [PATCH v4 sl-b 0/6] Export return addresses etc. for better diagnostics Andrew Morton
2021-01-06 23:42 ` Paul E. McKenney
2021-01-08 0:26 ` Paul E. McKenney
2021-01-08 15:35 ` Vlastimil Babka
2021-01-08 17:36 ` Paul E. McKenney
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210106011750.13709-4-paulmck@kernel.org \
--to=paulmck@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=axboe@kernel.dk \
--cc=cl@linux.com \
--cc=iamjoonsoo.kim@lge.com \
--cc=kernel-team@fb.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=ming.lei@redhat.com \
--cc=penberg@kernel.org \
--cc=rcu@vger.kernel.org \
--cc=rientjes@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.