* [PATCH] Alpha increase PERCPU_ENOUGH_ROOM
@ 2006-12-12 9:29 Aneesh Kumar K.V
0 siblings, 0 replies; 2+ messages in thread
From: Aneesh Kumar K.V @ 2006-12-12 9:29 UTC (permalink / raw)
To: linux-kernel
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Module loading on Alpha was failing with error
"Could not allocate 8 bytes percpu data".
Looking at dmesg we have the below error
"No per-cpu room for modules."
Increase the PERCPU_ENOUGH_ROOM in a similar way as x86_64
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@gmail.com>
---
include/asm-alpha/percpu.h | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/include/asm-alpha/percpu.h b/include/asm-alpha/percpu.h
index 48348fe..651ebb1 100644
--- a/include/asm-alpha/percpu.h
+++ b/include/asm-alpha/percpu.h
@@ -1,6 +1,20 @@
#ifndef __ALPHA_PERCPU_H
#define __ALPHA_PERCPU_H
+/*
+ * Increase the per cpu area for Alpha so that
+ * modules using percpu area can load.
+ */
+#ifdef CONFIG_MODULES
+# define PERCPU_MODULE_RESERVE 8192
+#else
+# define PERCPU_MODULE_RESERVE 0
+#endif
+
+#define PERCPU_ENOUGH_ROOM \
+ (ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \
+ PERCPU_MODULE_RESERVE)
+
#include <asm-generic/percpu.h>
#endif /* __ALPHA_PERCPU_H */
--
1.4.4.2.gdb98-dirty
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] Alpha increase PERCPU_ENOUGH_ROOM
@ 2006-12-13 3:45 Aneesh Kumar K.V
0 siblings, 0 replies; 2+ messages in thread
From: Aneesh Kumar K.V @ 2006-12-13 3:45 UTC (permalink / raw)
To: Jay.Estabrook, akpm; +Cc: linux-kernel
Sending it again marking Jay Estabrook
-aneesh
Module loading on Alpha was failing with error
"Could not allocate 8 bytes percpu data".
Looking at dmesg we have the below error
"No per-cpu room for modules."
Increase the PERCPU_ENOUGH_ROOM in a similar way as x86_64
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@gmail.com>
---
include/asm-alpha/percpu.h | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/include/asm-alpha/percpu.h b/include/asm-alpha/percpu.h
index 48348fe..651ebb1 100644
--- a/include/asm-alpha/percpu.h
+++ b/include/asm-alpha/percpu.h
@@ -1,6 +1,20 @@
#ifndef __ALPHA_PERCPU_H
#define __ALPHA_PERCPU_H
+/*
+ * Increase the per cpu area for Alpha so that
+ * modules using percpu area can load.
+ */
+#ifdef CONFIG_MODULES
+# define PERCPU_MODULE_RESERVE 8192
+#else
+# define PERCPU_MODULE_RESERVE 0
+#endif
+
+#define PERCPU_ENOUGH_ROOM \
+ (ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES) + \
+ PERCPU_MODULE_RESERVE)
+
#include <asm-generic/percpu.h>
#endif /* __ALPHA_PERCPU_H */
--
1.4.4.2.gdb98-dirty
^ permalink raw reply related [flat|nested] 2+ messages in thread
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