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From: Qi Zheng <zhengqi.arch@bytedance.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] [PATCH v3 09/49] xenbus/backend: dynamically allocate the xen-backend shrinker
Date: Thu, 27 Jul 2023 16:04:22 +0800	[thread overview]
Message-ID: <20230727080502.77895-10-zhengqi.arch@bytedance.com> (raw)
In-Reply-To: <20230727080502.77895-1-zhengqi.arch@bytedance.com>

Use new APIs to dynamically allocate the xen-backend shrinker.

Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
---
 drivers/xen/xenbus/xenbus_probe_backend.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c
index da96c260e26b..929c41a5ccee 100644
--- a/drivers/xen/xenbus/xenbus_probe_backend.c
+++ b/drivers/xen/xenbus/xenbus_probe_backend.c
@@ -284,13 +284,9 @@ static unsigned long backend_shrink_memory_count(struct shrinker *shrinker,
 	return 0;
 }
 
-static struct shrinker backend_memory_shrinker = {
-	.count_objects = backend_shrink_memory_count,
-	.seeks = DEFAULT_SEEKS,
-};
-
 static int __init xenbus_probe_backend_init(void)
 {
+	struct shrinker *backend_memory_shrinker;
 	static struct notifier_block xenstore_notifier = {
 		.notifier_call = backend_probe_and_watch
 	};
@@ -305,8 +301,16 @@ static int __init xenbus_probe_backend_init(void)
 
 	register_xenstore_notifier(&xenstore_notifier);
 
-	if (register_shrinker(&backend_memory_shrinker, "xen-backend"))
-		pr_warn("shrinker registration failed\n");
+	backend_memory_shrinker = shrinker_alloc(0, "xen-backend");
+	if (!backend_memory_shrinker) {
+		pr_warn("shrinker allocation failed\n");
+		return 0;
+	}
+
+	backend_memory_shrinker->count_objects = backend_shrink_memory_count;
+	backend_memory_shrinker->seeks = DEFAULT_SEEKS;
+
+	shrinker_register(backend_memory_shrinker);
 
 	return 0;
 }
-- 
2.30.2


  parent reply	other threads:[~2023-07-27  8:04 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-27  8:04 [Cluster-devel] [PATCH v3 00/49] use refcount+RCU method to implement lockless slab shrink Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 01/49] binder: fix memory leak in binder_init() Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 02/49] mm: move some shrinker-related function declarations to mm/internal.h Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 03/49] mm: vmscan: move shrinker-related code into a separate file Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 04/49] mm: shrinker: remove redundant shrinker_rwsem in debugfs operations Qi Zheng
2023-07-28  8:13   ` Simon Horman
2023-07-28  8:13     ` Simon Horman
2023-07-28  8:19     ` Qi Zheng
2023-07-28  8:19       ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 05/49] mm: shrinker: add infrastructure for dynamically allocating shrinker Qi Zheng
2023-07-28 12:17   ` Simon Horman
2023-07-28 12:17     ` Simon Horman
2023-07-29  8:47     ` Qi Zheng
2023-07-29  8:47       ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 06/49] kvm: mmu: dynamically allocate the x86-mmu shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 07/49] binder: dynamically allocate the android-binder shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 08/49] drm/ttm: dynamically allocate the drm-ttm_pool shrinker Qi Zheng
2023-07-27  8:04 ` Qi Zheng [this message]
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 10/49] erofs: dynamically allocate the erofs-shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 11/49] f2fs: dynamically allocate the f2fs-shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 12/49] gfs2: dynamically allocate the gfs2-glock shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 13/49] gfs2: dynamically allocate the gfs2-qd shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 14/49] NFSv4.2: dynamically allocate the nfs-xattr shrinkers Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 15/49] nfs: dynamically allocate the nfs-acl shrinker Qi Zheng
2023-07-27  9:06   ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 16/49] nfsd: dynamically allocate the nfsd-filecache shrinker Qi Zheng
2023-07-27  9:08   ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 17/49] quota: dynamically allocate the dquota-cache shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 18/49] ubifs: dynamically allocate the ubifs-slab shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 19/49] rcu: dynamically allocate the rcu-lazy shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 20/49] rcu: dynamically allocate the rcu-kfree shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 21/49] mm: thp: dynamically allocate the thp-related shrinkers Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 22/49] sunrpc: dynamically allocate the sunrpc_cred shrinker Qi Zheng
2023-07-27  9:10   ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 23/49] mm: workingset: dynamically allocate the mm-shadow shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 24/49] drm/i915: dynamically allocate the i915_gem_mm shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 25/49] drm/msm: dynamically allocate the drm-msm_gem shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 26/49] drm/panfrost: dynamically allocate the drm-panfrost shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 27/49] dm: dynamically allocate the dm-bufio shrinker Qi Zheng
2023-07-27  9:13   ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 28/49] dm zoned: dynamically allocate the dm-zoned-meta shrinker Qi Zheng
2023-07-27  8:30   ` Damien Le Moal
2023-07-27  8:55     ` Qi Zheng
2023-07-27 10:20       ` Damien Le Moal
2023-07-27 10:32         ` Qi Zheng
2023-07-27 22:59         ` Dave Chinner
2023-07-27 23:48           ` Damien Le Moal
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 29/49] md/raid5: dynamically allocate the md-raid5 shrinker Qi Zheng
2023-07-27  9:15   ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 30/49] bcache: dynamically allocate the md-bcache shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 31/49] vmw_balloon: dynamically allocate the vmw-balloon shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 32/49] virtio_balloon: dynamically allocate the virtio-balloon shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 33/49] mbcache: dynamically allocate the mbcache shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 34/49] ext4: dynamically allocate the ext4-es shrinker Qi Zheng
2023-07-27  9:17   ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 35/49] jbd2, ext4: dynamically allocate the jbd2-journal shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 36/49] nfsd: dynamically allocate the nfsd-client shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 37/49] nfsd: dynamically allocate the nfsd-reply shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 38/49] xfs: dynamically allocate the xfs-buf shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 39/49] xfs: dynamically allocate the xfs-inodegc shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 40/49] xfs: dynamically allocate the xfs-qm shrinker Qi Zheng
2023-07-27  9:19   ` Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 41/49] zsmalloc: dynamically allocate the mm-zspool shrinker Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 42/49] fs: super: dynamically allocate the s_shrink Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 43/49] mm: shrinker: remove old APIs Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 44/49] drm/ttm: introduce pool_shrink_rwsem Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 45/49] mm: shrinker: add a secondary array for shrinker_info::{map, nr_deferred} Qi Zheng
2023-07-27  8:04 ` [Cluster-devel] [PATCH v3 46/49] mm: shrinker: make global slab shrink lockless Qi Zheng
2023-07-27  8:05 ` [Cluster-devel] [PATCH v3 47/49] mm: shrinker: make memcg " Qi Zheng
2023-07-27  8:05 ` [Cluster-devel] [PATCH v3 48/49] mm: shrinker: hold write lock to reparent shrinker nr_deferred Qi Zheng
2023-07-27  8:05 ` [Cluster-devel] [PATCH v3 49/49] mm: shrinker: convert shrinker_rwsem to mutex Qi Zheng

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