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Kirill Smelkov
linux
Commits
ba89e64d
Commit
ba89e64d
authored
Oct 16, 2003
by
Jesse Barnes
Committed by
David Mosberger
Oct 16, 2003
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[PATCH] ia64: fix topology init
Populate topology directories correctly now that NUMA kernels work.
parent
ba1b98db
Changes
1
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arch/ia64/mm/numa.c
arch/ia64/mm/numa.c
+53
-0
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arch/ia64/mm/numa.c
View file @
ba89e64d
...
@@ -11,12 +11,19 @@
...
@@ -11,12 +11,19 @@
*/
*/
#include <linux/config.h>
#include <linux/config.h>
#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/kernel.h>
#include <linux/memblk.h>
#include <linux/mm.h>
#include <linux/mm.h>
#include <linux/node.h>
#include <linux/init.h>
#include <linux/init.h>
#include <linux/bootmem.h>
#include <linux/bootmem.h>
#include <asm/numa.h>
#include <asm/numa.h>
static
struct
memblk
*
sysfs_memblks
;
static
struct
node
*
sysfs_nodes
;
static
struct
cpu
*
sysfs_cpus
;
/*
/*
* The following structures are usually initialized by ACPI or
* The following structures are usually initialized by ACPI or
* similar mechanisms and describe the NUMA characteristics of the machine.
* similar mechanisms and describe the NUMA characteristics of the machine.
...
@@ -43,3 +50,49 @@ paddr_to_nid(unsigned long paddr)
...
@@ -43,3 +50,49 @@ paddr_to_nid(unsigned long paddr)
return
(
i
<
num_memblks
)
?
node_memblk
[
i
].
nid
:
(
num_memblks
?
-
1
:
0
);
return
(
i
<
num_memblks
)
?
node_memblk
[
i
].
nid
:
(
num_memblks
?
-
1
:
0
);
}
}
static
int
__init
topology_init
(
void
)
{
int
i
,
err
=
0
;
sysfs_nodes
=
kmalloc
(
sizeof
(
struct
node
)
*
numnodes
,
GFP_KERNEL
);
if
(
!
sysfs_nodes
)
{
err
=
-
ENOMEM
;
goto
out
;
}
sysfs_memblks
=
kmalloc
(
sizeof
(
struct
memblk
)
*
num_memblks
,
GFP_KERNEL
);
if
(
!
sysfs_memblks
)
{
kfree
(
sysfs_nodes
);
err
=
-
ENOMEM
;
goto
out
;
}
sysfs_cpus
=
kmalloc
(
sizeof
(
struct
cpu
)
*
NR_CPUS
,
GFP_KERNEL
);
if
(
!
sysfs_cpus
)
{
kfree
(
sysfs_memblks
);
kfree
(
sysfs_nodes
);
err
=
-
ENOMEM
;
goto
out
;
}
for
(
i
=
0
;
i
<
numnodes
;
i
++
)
if
((
err
=
register_node
(
&
sysfs_nodes
[
i
],
i
,
0
)))
goto
out
;
for
(
i
=
0
;
i
<
num_memblks
;
i
++
)
if
((
err
=
register_memblk
(
&
sysfs_memblks
[
i
],
i
,
&
sysfs_nodes
[
memblk_to_node
(
i
)])))
goto
out
;
for
(
i
=
0
;
i
<
NR_CPUS
;
i
++
)
if
(
cpu_online
(
i
))
if
((
err
=
register_cpu
(
&
sysfs_cpus
[
i
],
i
,
&
sysfs_nodes
[
cpu_to_node
(
i
)])))
goto
out
;
out:
return
err
;
}
__initcall
(
topology_init
);
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