diff options
| author | Hongchen Zhang <zhanghongchen@loongson.cn> | 2022-05-09 18:20:53 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-05-13 07:20:07 -0700 |
| commit | b304c6f0d39d927a87e72a8ac6c89b96ac25f355 (patch) | |
| tree | 29be4e485440f69532893b652bb4d0a486767577 /lib/sg_split.c | |
| parent | 5b4494896cb379b0304ba8320589f2ffd08a7b31 (diff) | |
mm/swapops: make is_pmd_migration_entry more strict
A pmd migration entry should first be a swap pmd,so use is_swap_pmd(pmd)
instead of !pmd_present(pmd).
On the other hand, some architecture (MIPS for example) may misjudge a
pmd_none entry as a pmd migration entry.
Link: https://lkml.kernel.org/r/1651131333-6386-1-git-send-email-zhanghongchen@loongson.cn
Signed-off-by: Hongchen Zhang <zhanghongchen@loongson.cn>
Acked-by: Peter Xu <peterx@redhat.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Cc: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib/sg_split.c')
0 files changed, 0 insertions, 0 deletions