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AJvYcCXbKo+HTtCfzhZ4+mCeQAKbbAx/hn+4pbXHomvt2ISak3CN4bWq8+d+XIVPkx2HB+/K+XdYXCxjC8cYRnJ+BCbGHOeWTV/jno9J X-Gm-Message-State: AOJu0YxY10KUC4TsAjFV8plhmotsBCV2jFHqxCh51MPEPHI6uGayf8m/ jD+OYoXDr6pgOpx2Q39usf3eENxfLqaRKfosvf1b9qE3dGBY614Byfzp2Ujaag8= X-Google-Smtp-Source: AGHT+IHdkJX6NQs9WDxlJlRWWOdNZMk+MQxYM/ZXt6WuZ6YnuVS9Rv2sdEvJFxxXOqmF9Wn7sJFtAA== X-Received: by 2002:a05:620a:884:b0:78a:4d4:92f1 with SMTP id b4-20020a05620a088400b0078a04d492f1mr4703702qka.72.1710915048681; Tue, 19 Mar 2024 23:10:48 -0700 (PDT) Received: from n231-228-171.byted.org ([130.44.215.123]) by smtp.gmail.com with ESMTPSA id r15-20020a05620a03cf00b0078a042376absm2295914qkm.22.2024.03.19.23.10.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Mar 2024 23:10:48 -0700 (PDT) From: "Ho-Ren (Jack) Chuang" To: "Huang, Ying" , "Gregory Price" , aneesh.kumar@linux.ibm.com, mhocko@suse.com, tj@kernel.org, john@jagalactic.com, "Eishan Mirakhur" , "Vinicius Tavares Petrucci" , "Ravis OpenSrc" , "Alistair Popple" , "Srinivasulu Thanneeru" , Dan Williams , Vishal Verma , Dave Jiang , Andrew Morton , nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: "Ho-Ren (Jack) Chuang" , "Ho-Ren (Jack) Chuang" , "Ho-Ren (Jack) Chuang" , qemu-devel@nongnu.org Subject: [PATCH v3 2/2] memory tier: dax/kmem: abstract memory types put Date: Wed, 20 Mar 2024 06:10:40 +0000 Message-Id: <20240320061041.3246828-3-horenchuang@bytedance.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240320061041.3246828-1-horenchuang@bytedance.com> References: <20240320061041.3246828-1-horenchuang@bytedance.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Abstract `kmem_put_memory_types()` into `mt_put_memory_types()` to accommodate various memory types and enhance flexibility, similar to `mt_find_alloc_memory_type()`. Signed-off-by: Ho-Ren (Jack) Chuang --- drivers/dax/kmem.c | 7 +------ include/linux/memory-tiers.h | 6 ++++++ mm/memory-tiers.c | 12 ++++++++++++ 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c index de1333aa7b3e..01399e5b53b2 100644 --- a/drivers/dax/kmem.c +++ b/drivers/dax/kmem.c @@ -66,13 +66,8 @@ static struct memory_dev_type *kmem_find_alloc_memory_type(int adist) static void kmem_put_memory_types(void) { - struct memory_dev_type *mtype, *mtn; - mutex_lock(&kmem_memory_type_lock); - list_for_each_entry_safe(mtype, mtn, &kmem_memory_types, list) { - list_del(&mtype->list); - put_memory_type(mtype); - } + mt_put_memory_types(&kmem_memory_types); mutex_unlock(&kmem_memory_type_lock); } diff --git a/include/linux/memory-tiers.h b/include/linux/memory-tiers.h index b2135334ac18..a44c03c2ba3a 100644 --- a/include/linux/memory-tiers.h +++ b/include/linux/memory-tiers.h @@ -50,6 +50,7 @@ int mt_set_default_dram_perf(int nid, struct access_coordinate *perf, int mt_perf_to_adistance(struct access_coordinate *perf, int *adist); struct memory_dev_type *mt_find_alloc_memory_type(int adist, struct list_head *memory_types); +void mt_put_memory_types(struct list_head *memory_types); #ifdef CONFIG_MIGRATION int next_demotion_node(int node); void node_get_allowed_targets(pg_data_t *pgdat, nodemask_t *targets); @@ -143,5 +144,10 @@ struct memory_dev_type *mt_find_alloc_memory_type(int adist, struct list_head *m { return NULL; } + +void mt_put_memory_types(struct list_head *memory_types) +{ + +} #endif /* CONFIG_NUMA */ #endif /* _LINUX_MEMORY_TIERS_H */ diff --git a/mm/memory-tiers.c b/mm/memory-tiers.c index d9b96b21b65a..6246c28546ba 100644 --- a/mm/memory-tiers.c +++ b/mm/memory-tiers.c @@ -662,6 +662,18 @@ struct memory_dev_type *mt_find_alloc_memory_type(int adist, struct list_head *m } EXPORT_SYMBOL_GPL(mt_find_alloc_memory_type); + +void mt_put_memory_types(struct list_head *memory_types) +{ + struct memory_dev_type *mtype, *mtn; + + list_for_each_entry_safe(mtype, mtn, memory_types, list) { + list_del(&mtype->list); + put_memory_type(mtype); + } +} +EXPORT_SYMBOL_GPL(mt_put_memory_types); + /* * This is invoked via late_initcall() to create * CPUless memory tiers after HMAT info is ready or