On Wed, 11 Jan 2006, Paul Jackson wrote:
> LD .tmp_vmlinux1
> arch/ia64/kernel/built-in.o(.init.text+0x68b2): In function `topology_init':
> arch/ia64/kernel/ivt.S:1465: undefined reference to `__you_cannot_kmalloc_that_much'
> make: *** [.tmp_vmlinux1] Error 1
>
> Backing off to 512 CPUs built ok.
>
> There are a couple of kmalloc() calls in topology_init(). I didn't try
> to figure out which one blew up, nor did I try to investigate further.
Here are two patches that might to cure it (used to be in
2.6.15-rc5-mm1 but the cure accepted for the workqueues was to use
alloc_percpu):
From: Christoph Lameter <[email protected]>
The workqueue structure can grow larger than 128k under 2.6.14-rc2 (with
all debugging features enabled on 64 bit platforms) which will make kzalloc
for workqueue structure entries fail. This patch increases the maximum
slab entry size to 256K.
Signed-off-by: Christoph Lameter <[email protected]>
Cc: Manfred Spraul <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
include/linux/kmalloc_sizes.h | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN include/linux/kmalloc_sizes.h~increase-maximum-kmalloc-size-to-256k include/linux/kmalloc_sizes.h
--- 25/include/linux/kmalloc_sizes.h~increase-maximum-kmalloc-size-to-256k Thu Sep 22 15:09:57 2005
+++ 25-akpm/include/linux/kmalloc_sizes.h Thu Sep 22 15:09:57 2005
@@ -19,8 +19,8 @@
CACHE(32768)
CACHE(65536)
CACHE(131072)
-#ifndef CONFIG_MMU
CACHE(262144)
+#ifndef CONFIG_MMU
CACHE(524288)
CACHE(1048576)
#ifdef CONFIG_LARGE_ALLOCS
_
From: Andrew Morton <[email protected]>
Fix instaoops.
Cc: Christoph Lameter <[email protected]>
Cc: Manfred Spraul <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
mm/slab.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN mm/slab.c~increase-maximum-kmalloc-size-to-256k-fix mm/slab.c
--- devel/mm/slab.c~increase-maximum-kmalloc-size-to-256k-fix 2005-09-22 21:19:27.000000000 -0700
+++ devel-akpm/mm/slab.c 2005-09-22 21:19:27.000000000 -0700
@@ -551,8 +551,8 @@ static void **dbg_userword(kmem_cache_t
#define MAX_OBJ_ORDER 13 /* up to 32Mb */
#define MAX_GFP_ORDER 13 /* up to 32Mb */
#elif defined(CONFIG_MMU)
-#define MAX_OBJ_ORDER 5 /* 32 pages */
-#define MAX_GFP_ORDER 5 /* 32 pages */
+#define MAX_OBJ_ORDER 6 /* 64 pages */
+#define MAX_GFP_ORDER 6 /* 64 pages */
#else
#define MAX_OBJ_ORDER 8 /* up to 1Mb */
#define MAX_GFP_ORDER 8 /* up to 1Mb */
_
-
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