diff options
| author | Yu Zhao <[email protected]> | 2023-06-19 13:38:21 -0600 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-06-23 16:10:12 -0700 |
| commit | 814bc1de03ea4361101408e63a68e4b82aef22cb (patch) | |
| tree | b98bd538c2a32c7de46bf744c2ef7a07e453bae9 /lib/test_fortify/write_overflow-strlcpy-src.c | |
| parent | 0518dbe97fe629fea255318841cf3ef1b4532d66 (diff) | |
mm/mglru: make memcg_lru->lock irq safe
lru_gen_rotate_memcg() can happen in softirq if memory.soft_limit_in_bytes
is set. This requires memcg_lru->lock to be irq safe. Lockdep warns on
this.
This problem only affects memcg v1.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: e4dde56cd208 ("mm: multi-gen LRU: per-node lru_gen_folio lists")
Signed-off-by: Yu Zhao <[email protected]>
Reported-by: [email protected]
Closes: https://syzkaller.appspot.com/bug?extid=87c490fd2be656269b6a
Reviewed-by: Yosry Ahmed <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'lib/test_fortify/write_overflow-strlcpy-src.c')
0 files changed, 0 insertions, 0 deletions