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| author |   Tianchen Ding <dtcccc@linux.alibaba.com> | 2024-08-12 17:55:17 +0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:26:12 -0700 |
| commit | c36be0cdf63d64dfd65bcf27b8ed400696b1c27a (patch) | |
| tree | 6aac5f76e3a4b19eff5f110c7d093cc4347d3995 /include | |
| parent | maple_tree: fix comment typo with corresponding maple_status (diff) | |
| download | wireguard-linux-c36be0cdf63d64dfd65bcf27b8ed400696b1c27a.tar.xz wireguard-linux-c36be0cdf63d64dfd65bcf27b8ed400696b1c27a.zip | |
kfence: save freeing stack trace at calling time instead of freeing time
For kmem_cache with SLAB_TYPESAFE_BY_RCU, the freeing trace stack at
calling kmem_cache_free() is more useful. While the following stack is
meaningless and provides no help:
freed by task 46 on cpu 0 at 656.840729s:
rcu_do_batch+0x1ab/0x540
nocb_cb_wait+0x8f/0x260
rcu_nocb_cb_kthread+0x25/0x80
kthread+0xd2/0x100
ret_from_fork+0x34/0x50
ret_from_fork_asm+0x1a/0x30
Link: https://lkml.kernel.org/r/20240812095517.2357-1-dtcccc@linux.alibaba.com
Signed-off-by: Tianchen Ding <dtcccc@linux.alibaba.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions