* [PATCH 1 of 4] cpumask: add highest_possible_node_id
@ 2006-08-04 5:35 ` Greg Banks
0 siblings, 0 replies; 5+ messages in thread
From: Greg Banks @ 2006-08-04 5:35 UTC (permalink / raw)
To: Andrew Morton
Cc: Neil Brown, Linux NFS Mailing List, Linux Kernel Mailing List
cpumask: add highest_possible_node_id(), analogous to
highest_possible_processor_id().
Signed-off-by: Greg Banks <gnb@melbourne.sgi.com>
---
include/linux/nodemask.h | 2 ++
lib/cpumask.c | 16 ++++++++++++++++
2 files changed, 18 insertions(+)
Index: linus-git/include/linux/nodemask.h
===================================================================
--- linus-git.orig/include/linux/nodemask.h 2006-07-05 15:55:26.000000000 +1000
+++ linus-git/include/linux/nodemask.h 2006-08-01 15:40:50.953022638 +1000
@@ -352,6 +352,7 @@ extern nodemask_t node_possible_map;
#define node_possible(node) node_isset((node), node_possible_map)
#define first_online_node first_node(node_online_map)
#define next_online_node(nid) next_node((nid), node_online_map)
+int highest_possible_node_id(void);
#else
#define num_online_nodes() 1
#define num_possible_nodes() 1
@@ -359,6 +360,7 @@ extern nodemask_t node_possible_map;
#define node_possible(node) ((node) == 0)
#define first_online_node 0
#define next_online_node(nid) (MAX_NUMNODES)
+#define highest_possible_node_id() 0
#endif
#define any_online_node(mask) \
Index: linus-git/lib/cpumask.c
===================================================================
--- linus-git.orig/lib/cpumask.c 2006-07-05 15:55:39.000000000 +1000
+++ linus-git/lib/cpumask.c 2006-08-01 15:42:42.742593668 +1000
@@ -43,3 +43,19 @@ int __any_online_cpu(const cpumask_t *ma
return cpu;
}
EXPORT_SYMBOL(__any_online_cpu);
+
+#if MAX_NUMNODES > 1
+/*
+ * Find the highest possible node id.
+ */
+int highest_possible_node_id(void)
+{
+ unsigned int node;
+ unsigned int highest = 0;
+
+ for_each_cpu_mask(node, node_possible_map)
+ highest = node;
+ return highest;
+}
+EXPORT_SYMBOL(highest_possible_node_id);
+#endif
--
Greg Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.
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^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH 1 of 4] cpumask: add highest_possible_node_id
@ 2006-08-04 5:35 ` Greg Banks
0 siblings, 0 replies; 5+ messages in thread
From: Greg Banks @ 2006-08-04 5:35 UTC (permalink / raw)
To: Andrew Morton
Cc: Neil Brown, Linux NFS Mailing List, Linux Kernel Mailing List
cpumask: add highest_possible_node_id(), analogous to
highest_possible_processor_id().
Signed-off-by: Greg Banks <gnb@melbourne.sgi.com>
---
include/linux/nodemask.h | 2 ++
lib/cpumask.c | 16 ++++++++++++++++
2 files changed, 18 insertions(+)
Index: linus-git/include/linux/nodemask.h
===================================================================
--- linus-git.orig/include/linux/nodemask.h 2006-07-05 15:55:26.000000000 +1000
+++ linus-git/include/linux/nodemask.h 2006-08-01 15:40:50.953022638 +1000
@@ -352,6 +352,7 @@ extern nodemask_t node_possible_map;
#define node_possible(node) node_isset((node), node_possible_map)
#define first_online_node first_node(node_online_map)
#define next_online_node(nid) next_node((nid), node_online_map)
+int highest_possible_node_id(void);
#else
#define num_online_nodes() 1
#define num_possible_nodes() 1
@@ -359,6 +360,7 @@ extern nodemask_t node_possible_map;
#define node_possible(node) ((node) == 0)
#define first_online_node 0
#define next_online_node(nid) (MAX_NUMNODES)
+#define highest_possible_node_id() 0
#endif
#define any_online_node(mask) \
Index: linus-git/lib/cpumask.c
===================================================================
--- linus-git.orig/lib/cpumask.c 2006-07-05 15:55:39.000000000 +1000
+++ linus-git/lib/cpumask.c 2006-08-01 15:42:42.742593668 +1000
@@ -43,3 +43,19 @@ int __any_online_cpu(const cpumask_t *ma
return cpu;
}
EXPORT_SYMBOL(__any_online_cpu);
+
+#if MAX_NUMNODES > 1
+/*
+ * Find the highest possible node id.
+ */
+int highest_possible_node_id(void)
+{
+ unsigned int node;
+ unsigned int highest = 0;
+
+ for_each_cpu_mask(node, node_possible_map)
+ highest = node;
+ return highest;
+}
+EXPORT_SYMBOL(highest_possible_node_id);
+#endif
--
Greg Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH 1 of 4] cpumask: add highest_possible_node_id
2006-08-04 5:35 ` Greg Banks
@ 2006-10-16 10:56 ` Paul Jackson
-1 siblings, 0 replies; 5+ messages in thread
From: Paul Jackson @ 2006-10-16 10:56 UTC (permalink / raw)
To: Greg Banks; +Cc: akpm, neilb, nfs, linux-kernel
This patch (of August 3, 2006) added (after a bit of fixing) a nodemask
related routine to lib/cpumask.c. Granted, there is no lib/nodemask.c,
and Andrew suggested lib/cpumask.c.
But at least it should have added
#include <linux/nodemask.h>
to lib/cpumask.c, no?
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
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^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH 1 of 4] cpumask: add highest_possible_node_id
@ 2006-10-16 10:56 ` Paul Jackson
0 siblings, 0 replies; 5+ messages in thread
From: Paul Jackson @ 2006-10-16 10:56 UTC (permalink / raw)
To: Greg Banks; +Cc: akpm, neilb, nfs, linux-kernel
This patch (of August 3, 2006) added (after a bit of fixing) a nodemask
related routine to lib/cpumask.c. Granted, there is no lib/nodemask.c,
and Andrew suggested lib/cpumask.c.
But at least it should have added
#include <linux/nodemask.h>
to lib/cpumask.c, no?
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH 1 of 4] cpumask: add highest_possible_node_id
2006-10-16 10:56 ` Paul Jackson
(?)
@ 2006-10-16 11:10 ` Greg Banks
-1 siblings, 0 replies; 5+ messages in thread
From: Greg Banks @ 2006-10-16 11:10 UTC (permalink / raw)
To: Paul Jackson; +Cc: akpm, neilb, nfs, linux-kernel
On Mon, Oct 16, 2006 at 03:56:44AM -0700, Paul Jackson wrote:
> This patch (of August 3, 2006) added (after a bit of fixing) a nodemask
> related routine to lib/cpumask.c. Granted, there is no lib/nodemask.c,
> and Andrew suggested lib/cpumask.c.
>
> But at least it should have added
>
> #include <linux/nodemask.h>
>
> to lib/cpumask.c, no?
Sure.
Greg.
--
Greg Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2006-10-16 11:10 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2006-08-04 5:35 [PATCH 1 of 4] cpumask: add highest_possible_node_id Greg Banks
2006-08-04 5:35 ` Greg Banks
2006-10-16 10:56 ` Paul Jackson
2006-10-16 10:56 ` Paul Jackson
2006-10-16 11:10 ` Greg Banks
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