From: Maxim Levitsky Date: Fri, 12 Jun 2026 15:00:38 +0000 (-0400) Subject: KVM: selftests: access_tracking_perf_test: bump number of NUMA nodes to 32 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4a0dcc6a15f94de3dee90bf52234d330cc3aad4e;p=thirdparty%2Fkernel%2Flinux.git KVM: selftests: access_tracking_perf_test: bump number of NUMA nodes to 32 It's rare to find a system that has more than 4 sockets, but a system can have more than 4 NUMA nodes if each socket exposes its chiplets as separate NUMA nodes. In particular, our CI caught a failure in this test on a system with two sockets, each containing an 'AMD EPYC 7601 32-Core Processor'. Bump the limit to 32, just in case. Signed-off-by: Maxim Levitsky Message-ID: <20260612150038.1277394-1-mlevitsk@redhat.com> Signed-off-by: Paolo Bonzini --- diff --git a/tools/testing/selftests/kvm/include/lru_gen_util.h b/tools/testing/selftests/kvm/include/lru_gen_util.h index d32ff5d8ffd0..49c8139d398c 100644 --- a/tools/testing/selftests/kvm/include/lru_gen_util.h +++ b/tools/testing/selftests/kvm/include/lru_gen_util.h @@ -14,7 +14,7 @@ #include "test_util.h" #define MAX_NR_GENS 16 /* MAX_NR_GENS in include/linux/mmzone.h */ -#define MAX_NR_NODES 4 /* Maximum number of nodes supported by the test */ +#define MAX_NR_NODES 32 /* Maximum number of nodes supported by the test */ #define LRU_GEN_DEBUGFS "/sys/kernel/debug/lru_gen" #define LRU_GEN_ENABLED_PATH "/sys/kernel/mm/lru_gen/enabled"