diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-04-29 09:16:07 +0300 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-04-29 09:16:07 +0300 |
| commit | cb1c37b1c65d9e5450af2ea6ec8916c5cd23a2e7 (patch) | |
| tree | 0a005ddc30a0aef0cced7785965d3be792f58427 /mm | |
| parent | b75454e10101af3a11b24ca7e14917b6c8874688 (diff) | |
| download | linux-cb1c37b1c65d9e5450af2ea6ec8916c5cd23a2e7.tar.xz | |
mm/migration: use helper function vma_lookup() in add_page_for_migration
We could use helper function vma_lookup() to lookup the needed vma to
simplify the code.
Link: https://lkml.kernel.org/r/20220318111709.60311-6-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/migrate.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index a993053cd620..e73e1bfa874b 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1604,8 +1604,8 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, mmap_read_lock(mm); err = -EFAULT; - vma = find_vma(mm, addr); - if (!vma || addr < vma->vm_start || !vma_migratable(vma)) + vma = vma_lookup(mm, addr); + if (!vma || !vma_migratable(vma)) goto out; /* FOLL_DUMP to ignore special (like zero) pages */ |