* [PATCH] numactl: checks for numa when showing hardware
@ 2013-11-23 8:10 Elena Ufimtseva
0 siblings, 0 replies; only message in thread
From: Elena Ufimtseva @ 2013-11-23 8:10 UTC (permalink / raw)
To: linux-numa; +Cc: cpw, Elena Ufimtseva
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))
--
1.7.2.5
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2013-11-23 8:10 [PATCH] numactl: checks for numa when showing hardware Elena Ufimtseva
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