* [tip:x86/numa] x86, numa: Reduce minimum fake node size to 32M
[not found] <alpine.DEB.2.00.1012221700590.3701@chino.kir.corp.google.com>
@ 2010-12-24 1:36 ` tip-bot for David Rientjes
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for David Rientjes @ 2010-12-24 1:36 UTC (permalink / raw)
To: linux-tip-commits; +Cc: linux-kernel, hpa, mingo, tglx, hpa, rientjes
Commit-ID: 34dc9e74968ef4b582c3815b0124d88a68dfabef
Gitweb: http://git.kernel.org/tip/34dc9e74968ef4b582c3815b0124d88a68dfabef
Author: David Rientjes <rientjes@google.com>
AuthorDate: Wed, 22 Dec 2010 17:23:40 -0800
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Thu, 23 Dec 2010 15:27:10 -0800
x86, numa: Reduce minimum fake node size to 32M
This patch changes the minimum fake node size from 64MB to 32MB so it is
possible to test NUMA code at a greater scale on smaller machines
(64 nodes on a 2G machine, 1024 nodes on 32G machine with
CONFIG_NODES_SHIFT=10).
Signed-off-by: David Rientjes <rientjes@google.com>
LKML-Reference: <alpine.DEB.2.00.1012221700590.3701@chino.kir.corp.google.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/include/asm/numa_64.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/numa_64.h b/arch/x86/include/asm/numa_64.h
index 823e070..5ae8728 100644
--- a/arch/x86/include/asm/numa_64.h
+++ b/arch/x86/include/asm/numa_64.h
@@ -38,7 +38,7 @@ extern void __cpuinit numa_add_cpu(int cpu);
extern void __cpuinit numa_remove_cpu(int cpu);
#ifdef CONFIG_NUMA_EMU
-#define FAKE_NODE_MIN_SIZE ((u64)64 << 20)
+#define FAKE_NODE_MIN_SIZE ((u64)32 << 20)
#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL))
#endif /* CONFIG_NUMA_EMU */
#else
^ permalink raw reply [flat|nested] 2+ messages in thread
* [tip:x86/numa] x86, numa: Reduce minimum fake node size to 32M
2010-12-02 1:36 [patch 1/5] x86: reduce " David Rientjes
@ 2010-12-22 0:57 ` tip-bot for David Rientjes
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for David Rientjes @ 2010-12-22 0:57 UTC (permalink / raw)
To: linux-tip-commits; +Cc: linux-kernel, hpa, mingo, tglx, hpa, rientjes
Commit-ID: 1eafd60a580e5df8ea1dc380cf71c49d6a82d667
Gitweb: http://git.kernel.org/tip/1eafd60a580e5df8ea1dc380cf71c49d6a82d667
Author: David Rientjes <rientjes@google.com>
AuthorDate: Wed, 1 Dec 2010 17:36:14 -0800
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Tue, 21 Dec 2010 16:08:47 -0800
x86, numa: Reduce minimum fake node size to 32M
This patch changes the minimum fake node size from 64MB to 32MB so it is
possible to test NUMA code at a greater scale on smaller machines
(64 nodes on a 2G machine, 1024 nodes on 32G machine with
CONFIG_NODES_SHIFT=10).
Signed-off-by: David Rientjes <rientjes@google.com>
LKML-Reference: <alpine.DEB.2.00.1012011734060.1040@chino.kir.corp.google.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/include/asm/numa_64.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/numa_64.h b/arch/x86/include/asm/numa_64.h
index 823e070..5ae8728 100644
--- a/arch/x86/include/asm/numa_64.h
+++ b/arch/x86/include/asm/numa_64.h
@@ -38,7 +38,7 @@ extern void __cpuinit numa_add_cpu(int cpu);
extern void __cpuinit numa_remove_cpu(int cpu);
#ifdef CONFIG_NUMA_EMU
-#define FAKE_NODE_MIN_SIZE ((u64)64 << 20)
+#define FAKE_NODE_MIN_SIZE ((u64)32 << 20)
#define FAKE_NODE_MIN_HASH_MASK (~(FAKE_NODE_MIN_SIZE - 1UL))
#endif /* CONFIG_NUMA_EMU */
#else
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2010-12-24 1:36 ` [tip:x86/numa] x86, numa: Reduce minimum fake node size to 32M tip-bot for David Rientjes
2010-12-02 1:36 [patch 1/5] x86: reduce " David Rientjes
2010-12-22 0:57 ` [tip:x86/numa] x86, numa: Reduce " tip-bot for David Rientjes
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