You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
857 B
30 lines
857 B
From: Elena Ufimtseva <ufimtseva@gmail.com> |
|
To: linux-numa@vger.kernel.org |
|
Cc: cpw@sgi.com, Elena Ufimtseva <ufimtseva@gmail.com> |
|
Subject: [PATCH] numactl: checks for numa when showing hardware |
|
Date: Sat, 23 Nov 2013 03:10:41 -0500 |
|
|
|
Checks if NUMA is available before printing hardware, |
|
otherwise segfault occurs. |
|
|
|
Signed-off-by: Elena Ufimtseva <ufimtseva@gmail.com> |
|
--- |
|
numactl.c | 5 +++++ |
|
1 files changed, 5 insertions(+), 0 deletions(-) |
|
|
|
diff --git a/numactl.c b/numactl.c |
|
index 97955a4..f30b53c 100755 |
|
--- a/numactl.c |
|
+++ b/numactl.c |
|
@@ -242,6 +242,11 @@ void hardware(void) |
|
int prevnode=-1; |
|
int skip=0; |
|
int maxnode = numa_max_node(); |
|
+ |
|
+ if (numa_available() < 0) { |
|
+ printf("No NUMA available on this system\n"); |
|
+ exit(1); |
|
+ } |
|
|
|
for (i=0; i<=maxnode; i++) |
|
if (numa_bitmask_isbitset(numa_nodes_ptr, i))
|
|
|