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Mon, 13 Dec 2021 08:55:37 -0800 (PST) From: Muchun Song To: willy@infradead.org, akpm@linux-foundation.org, hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, shakeelb@google.com, guro@fb.com, shy828301@gmail.com, alexs@kernel.org, richard.weiyang@gmail.com, david@fromorbit.com, trond.myklebust@hammerspace.com, anna.schumaker@netapp.com, jaegeuk@kernel.org, chao@kernel.org, kari.argillander@gmail.com Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, zhengqi.arch@bytedance.com, duanxiongchun@bytedance.com, fam.zheng@bytedance.com, smuchun@gmail.com, Muchun Song Subject: [PATCH v4 09/17] mm: workingset: use xas_set_lru() to pass shadow_nodes Date: Tue, 14 Dec 2021 00:53:34 +0800 Message-Id: <20211213165342.74704-10-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) In-Reply-To: <20211213165342.74704-1-songmuchun@bytedance.com> References: <20211213165342.74704-1-songmuchun@bytedance.com> MIME-Version: 1.0 X-Stat-Signature: gbhoku4f7khd9jm5ka5kdgfi7o68sm3t Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b=lr7BUeqz; spf=pass (imf13.hostedemail.com: domain of songmuchun@bytedance.com designates 209.85.215.169 as permitted sender) smtp.mailfrom=songmuchun@bytedance.com; dmarc=pass (policy=none) header.from=bytedance.com X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: ADD242000B X-HE-Tag: 1639414535-741808 Content-Transfer-Encoding: quoted-printable 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: The workingset will add the xa_node to shadow_nodes, so we should use xas_set_lru() to pass the list_lru which we want to insert xa_node into to set up the xa_node reclaim context correctly. Signed-off-by: Muchun Song --- include/linux/swap.h | 5 ++++- mm/workingset.c | 2 +- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index d1ea44b31f19..1ae9d3473c02 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -334,9 +334,12 @@ void workingset_activation(struct folio *folio); =20 /* Only track the nodes of mappings with shadow entries */ void workingset_update_node(struct xa_node *node); +extern struct list_lru shadow_nodes; #define mapping_set_update(xas, mapping) do { \ - if (!dax_mapping(mapping) && !shmem_mapping(mapping)) \ + if (!dax_mapping(mapping) && !shmem_mapping(mapping)) { \ xas_set_update(xas, workingset_update_node); \ + xas_set_lru(xas, &shadow_nodes); \ + } \ } while (0) =20 /* linux/mm/page_alloc.c */ diff --git a/mm/workingset.c b/mm/workingset.c index 8c03afe1d67c..979c7130c266 100644 --- a/mm/workingset.c +++ b/mm/workingset.c @@ -429,7 +429,7 @@ void workingset_activation(struct folio *folio) * point where they would still be useful. */ =20 -static struct list_lru shadow_nodes; +struct list_lru shadow_nodes; =20 void workingset_update_node(struct xa_node *node) { --=20 2.11.0