linux-kernel - [PATCH v2 6/7] mm: memory: use folio_throttle_swaprate() in do_cow

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Message-ID: <20230302115835.105364-7-wangkefeng.wang@huawei.com>
Date:   Thu, 2 Mar 2023 19:58:34 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH v2 6/7] mm: memory: use folio_throttle_swaprate() in do_cow_fault()

Directly use folio_throttle_swaprate() instead of
cgroup_throttle_swaprate().

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.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