From: Zhen Lei <thunder.leizhen@huawei.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
"Frank Rowand" <frowand.list@gmail.com>,
devicetree <devicetree@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>
Cc: Zefan Li <lizefan@huawei.com>, Xinwei Hu <huxinwei@huawei.com>,
"Tianhong Ding" <dingtianhong@huawei.com>,
Hanjun Guo <guohanjun@huawei.com>,
Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH v8 12/16] arm64/numa: remove some useless code
Date: Thu, 1 Sep 2016 14:55:03 +0800 [thread overview]
Message-ID: <1472712907-12700-13-git-send-email-thunder.leizhen@huawei.com> (raw)
In-Reply-To: <1472712907-12700-1-git-send-email-thunder.leizhen@huawei.com>
When the deleted code is executed, only the bit of cpu0 was set on
cpu_possible_mask. So that, only set_cpu_numa_node(0, NUMA_NO_NODE); will
be executed. And map_cpu_to_node(0, 0) will soon be called. So these code
can be safely removed.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
arch/arm64/mm/numa.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 891bdaa..72f4539 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -95,7 +95,6 @@ void numa_clear_node(unsigned int cpu)
*/
static void __init setup_node_to_cpumask_map(void)
{
- unsigned int cpu;
int node;
/* setup nr_node_ids if not done yet */
@@ -108,9 +107,6 @@ static void __init setup_node_to_cpumask_map(void)
cpumask_clear(node_to_cpumask_map[node]);
}
- for_each_possible_cpu(cpu)
- set_cpu_numa_node(cpu, NUMA_NO_NODE);
-
/* cpumask_of_node() will now work */
pr_debug("Node to cpumask map for %d nodes\n", nr_node_ids);
}
--
2.5.0
WARNING: multiple messages have this Message-ID (diff)
From: Zhen Lei <thunder.leizhen@huawei.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
devicetree <devicetree@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>
Cc: Zefan Li <lizefan@huawei.com>, Xinwei Hu <huxinwei@huawei.com>,
Tianhong Ding <dingtianhong@huawei.com>,
Hanjun Guo <guohanjun@huawei.com>,
Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH v8 12/16] arm64/numa: remove some useless code
Date: Thu, 1 Sep 2016 14:55:03 +0800 [thread overview]
Message-ID: <1472712907-12700-13-git-send-email-thunder.leizhen@huawei.com> (raw)
In-Reply-To: <1472712907-12700-1-git-send-email-thunder.leizhen@huawei.com>
When the deleted code is executed, only the bit of cpu0 was set on
cpu_possible_mask. So that, only set_cpu_numa_node(0, NUMA_NO_NODE); will
be executed. And map_cpu_to_node(0, 0) will soon be called. So these code
can be safely removed.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
arch/arm64/mm/numa.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 891bdaa..72f4539 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -95,7 +95,6 @@ void numa_clear_node(unsigned int cpu)
*/
static void __init setup_node_to_cpumask_map(void)
{
- unsigned int cpu;
int node;
/* setup nr_node_ids if not done yet */
@@ -108,9 +107,6 @@ static void __init setup_node_to_cpumask_map(void)
cpumask_clear(node_to_cpumask_map[node]);
}
- for_each_possible_cpu(cpu)
- set_cpu_numa_node(cpu, NUMA_NO_NODE);
-
/* cpumask_of_node() will now work */
pr_debug("Node to cpumask map for %d nodes\n", nr_node_ids);
}
--
2.5.0
--
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WARNING: multiple messages have this Message-ID (diff)
From: thunder.leizhen@huawei.com (Zhen Lei)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v8 12/16] arm64/numa: remove some useless code
Date: Thu, 1 Sep 2016 14:55:03 +0800 [thread overview]
Message-ID: <1472712907-12700-13-git-send-email-thunder.leizhen@huawei.com> (raw)
In-Reply-To: <1472712907-12700-1-git-send-email-thunder.leizhen@huawei.com>
When the deleted code is executed, only the bit of cpu0 was set on
cpu_possible_mask. So that, only set_cpu_numa_node(0, NUMA_NO_NODE); will
be executed. And map_cpu_to_node(0, 0) will soon be called. So these code
can be safely removed.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
arch/arm64/mm/numa.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 891bdaa..72f4539 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -95,7 +95,6 @@ void numa_clear_node(unsigned int cpu)
*/
static void __init setup_node_to_cpumask_map(void)
{
- unsigned int cpu;
int node;
/* setup nr_node_ids if not done yet */
@@ -108,9 +107,6 @@ static void __init setup_node_to_cpumask_map(void)
cpumask_clear(node_to_cpumask_map[node]);
}
- for_each_possible_cpu(cpu)
- set_cpu_numa_node(cpu, NUMA_NO_NODE);
-
/* cpumask_of_node() will now work */
pr_debug("Node to cpumask map for %d nodes\n", nr_node_ids);
}
--
2.5.0
next prev parent reply other threads:[~2016-09-01 6:59 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-01 6:54 [PATCH v8 00/16] fix some type infos and bugs for arm64/of numa Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` [PATCH v8 01/16] of/numa: remove a duplicated pr_debug information Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` [PATCH v8 02/16] of/numa: fix a memory@ node can only contains one memory block Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` [PATCH v8 03/16] of/numa: add nid check for " Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-08 13:40 ` Rob Herring
2016-09-08 13:40 ` Rob Herring
2016-09-08 13:40 ` Rob Herring
2016-09-08 13:40 ` Rob Herring
2016-09-01 6:54 ` [PATCH v8 04/16] of/numa: remove a duplicated warning Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` [PATCH v8 05/16] arm64/numa: avoid inconsistent information to be printed Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` [PATCH v8 06/16] of_numa: Use of_get_next_parent to simplify code Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` [PATCH v8 07/16] of_numa: Use pr_fmt() Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` [PATCH v8 08/16] arm64: numa: " Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:54 ` Zhen Lei
2016-09-01 6:55 ` [PATCH v8 09/16] arm64/numa: support HAVE_SETUP_PER_CPU_AREA Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` [PATCH v8 10/16] mm/memblock: add a new function memblock_alloc_near_nid Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-09 3:49 ` Leizhen (ThunderTown)
2016-09-09 3:49 ` Leizhen (ThunderTown)
2016-09-09 3:49 ` Leizhen (ThunderTown)
2016-09-09 3:49 ` Leizhen (ThunderTown)
2016-10-11 1:44 ` Leizhen (ThunderTown)
2016-10-11 1:44 ` Leizhen (ThunderTown)
2016-10-11 1:44 ` Leizhen (ThunderTown)
2016-10-11 10:16 ` Will Deacon
2016-10-11 10:16 ` Will Deacon
2016-10-11 10:16 ` Will Deacon
2016-10-11 11:04 ` Leizhen (ThunderTown)
2016-10-11 11:04 ` Leizhen (ThunderTown)
2016-10-11 11:04 ` Leizhen (ThunderTown)
2016-10-11 11:04 ` Leizhen (ThunderTown)
2016-09-01 6:55 ` [PATCH v8 11/16] arm64/numa: support HAVE_MEMORYLESS_NODES Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei [this message]
2016-09-01 6:55 ` [PATCH v8 12/16] arm64/numa: remove some useless code Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` [PATCH v8 13/16] arm64/numa: remove the limitation that cpu0 must bind to node0 Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` [PATCH v8 14/16] of/numa: remove the constraint on the distances of node pairs Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` [PATCH v8 15/16] Documentation: " Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` [PATCH v8 16/16] arm64/numa: define numa_distance as array to simplify code Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-01 6:55 ` Zhen Lei
2016-09-08 11:01 ` [PATCH v8 00/16] fix some type infos and bugs for arm64/of numa Will Deacon
2016-09-08 11:01 ` Will Deacon
2016-09-08 11:01 ` Will Deacon
2016-09-08 11:01 ` Will Deacon
2016-09-09 2:07 ` Leizhen (ThunderTown)
2016-09-09 2:07 ` Leizhen (ThunderTown)
2016-09-09 2:07 ` Leizhen (ThunderTown)
2016-09-09 2:07 ` Leizhen (ThunderTown)
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