diff options
| -rw-r--r-- | mm/shmem.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index ab6644194fee..4e5e7a57e5b4 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2245,6 +2245,10 @@ int shmem_mcopy_atomic_pte(struct mm_struct *dst_mm, *pagep = NULL; } + VM_BUG_ON(PageLocked(page) || PageSwapBacked(page)); + __SetPageLocked(page); + __SetPageSwapBacked(page); + ret = mem_cgroup_try_charge(page, dst_mm, gfp, &memcg, false); if (ret) goto out_release; @@ -2294,6 +2298,7 @@ out_release_uncharge_unlock: out_release_uncharge: mem_cgroup_cancel_charge(page, memcg, false); out_release: + unlock_page(page); put_page(page); out_dec_used_blocks: if (sbinfo->max_blocks) |