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![]() Comparing bits and bytes in numa benchmark assertion I hit the issue on two socket Power8 machine presenting its numa nodes as 0,1,16,17 (according to numactl). Therefore I got error (and hang of parent process): perf: bench/numa.c:296: bind_to_memnode: Assertion `!(g->p.nr_nodes > (int)sizeof(nodemask))' failed. This is obviously false positive. We can fit all the 18 nodes into bitfield of 8 bytes (long on 64b architecture). Signed-off-by: Jakub Jelen <jakuje@gmail.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jakub Jelen <jjelen@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: trivial@kernel.org Link: http://lkml.kernel.org/r/1458388687-24421-1-git-send-email-jakuje@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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