diff options
Diffstat (limited to 'mm/ksm.c')
| -rw-r--r-- | mm/ksm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/ksm.c b/mm/ksm.c index 235f55d01541..9afccc36dbd2 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -2586,6 +2586,10 @@ struct page *ksm_might_need_to_copy(struct page *page, return page; /* let do_swap_page report the error */ new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address); + if (new_page && mem_cgroup_charge(new_page, vma->vm_mm, GFP_KERNEL)) { + put_page(new_page); + new_page = NULL; + } if (new_page) { copy_user_highpage(new_page, page, address, vma); |