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Fri, 3 Nov 2023 22:03:43 +0800 From: Kefeng Wang To: Andrew Morton CC: , , Matthew Wilcox , David Hildenbrand , , Kefeng Wang Subject: [PATCH 03/18] mm: userfaultfd: use mm_counter_folio() Date: Fri, 3 Nov 2023 22:01:04 +0800 Message-ID: <20231103140119.2306578-4-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20231103140119.2306578-1-wangkefeng.wang@huawei.com> References: <20231103140119.2306578-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.112.125] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm100001.china.huawei.com (7.185.36.93) X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: 589BC80030 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: idzai4zd3bhy5ye6ggi3fg585gdbtqxj X-HE-Tag: 1699020228-872574 X-HE-Meta: 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 nzvh1r5z +p9k1vJsVVbpruR9yrzb3Be9/vgDkz79EgWrct3pLpANHtpa9Ajdl9QRSyvGYXmq9Vdlo11qyj1EUPHXCtzTnTBm8TkRTIlPrUZ3KCB5H6LyVBTSoLupBVg6wSrCbr6ZrzgBa3B/NO11xWT8DDh8tYccnIcZ857DfXW7oiKLt2HsSn8OxOubsSGh7eBNDyPHBCK35 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Use mm_counter_folio() to save one compound_head() call. Signed-off-by: Kefeng Wang --- mm/userfaultfd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c index 96d9eae5c7cc..e47aa6c91ef8 100644 --- a/mm/userfaultfd.c +++ b/mm/userfaultfd.c @@ -121,10 +121,10 @@ int mfill_atomic_install_pte(pmd_t *dst_pmd, } /* - * Must happen after rmap, as mm_counter() checks mapping (via + * Must happen after rmap, as mm_counter_folio() checks mapping (via * PageAnon()), which is set by __page_set_anon_rmap(). */ - inc_mm_counter(dst_mm, mm_counter(page)); + inc_mm_counter(dst_mm, mm_counter_folio(folio)); set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);