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    Subject[PATCH v2 6/7] mm: memory: use folio_throttle_swaprate() in do_cow_fault()
    Date
    Directly use folio_throttle_swaprate() instead of
    cgroup_throttle_swaprate().

    Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
    ---
    mm/memory.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/mm/memory.c b/mm/memory.c
    index 841737d5690d..b24c618d7348 100644
    --- a/mm/memory.c
    +++ b/mm/memory.c
    @@ -4527,7 +4527,7 @@ static vm_fault_t do_cow_fault(struct vm_fault *vmf)
    put_page(vmf->cow_page);
    return VM_FAULT_OOM;
    }
    - cgroup_throttle_swaprate(vmf->cow_page, GFP_KERNEL);
    + folio_throttle_swaprate(page_folio(vmf->cow_page), GFP_KERNEL);

    ret = __do_fault(vmf);
    if (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE | VM_FAULT_RETRY)))
    --
    2.35.3
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