diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2024-09-06 10:42:01 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-17 01:07:00 -0700 |
| commit | 658be46520ce480a44fe405730a1725166298f27 (patch) | |
| tree | 00abecaf0c8366e9d310f9d8cc22befe835ca152 /rust/helpers/workqueue.c | |
| parent | aa549f923f5e037a459dcd588932db9abfa8c158 (diff) | |
mm: support poison recovery from copy_present_page()
Similar to other poison recovery, use copy_mc_user_highpage() to avoid
potentially kernel panic during copy page in copy_present_page() from
fork, once copy failed due to hwpoison in source page, we need to break
out of copy in copy_pte_range() and release prealloc folio, so
copy_mc_user_highpage() is moved ahead before set *prealloc to NULL.
Link: https://lkml.kernel.org/r/20240906024201.1214712-3-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jiaqi Yan <jiaqiyan@google.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'rust/helpers/workqueue.c')
0 files changed, 0 insertions, 0 deletions