diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/mm/numa_emulation.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/arch/x86/mm/numa_emulation.c b/arch/x86/mm/numa_emulation.c index 3696be0c2204..ad091e4cff17 100644 --- a/arch/x86/mm/numa_emulation.c +++ b/arch/x86/mm/numa_emulation.c @@ -301,7 +301,7 @@ void __init numa_emulation(struct numa_meminfo *numa_meminfo, int numa_dist_cnt) const u64 max_addr = max_pfn << PAGE_SHIFT; u8 *phys_dist = NULL; size_t phys_size = numa_dist_cnt * numa_dist_cnt * sizeof(phys_dist[0]); - int dfl_phys_nid; + int max_emu_nid, dfl_phys_nid; int i, j, ret; if (!emu_cmdline) @@ -358,12 +358,17 @@ void __init numa_emulation(struct numa_meminfo *numa_meminfo, int numa_dist_cnt) node_distance(i, j); } - /* determine the default phys nid to use for unmapped nodes */ + /* + * Determine the max emulated nid and the default phys nid to use + * for unmapped nodes. + */ + max_emu_nid = 0; dfl_phys_nid = NUMA_NO_NODE; for (i = 0; i < ARRAY_SIZE(emu_nid_to_phys); i++) { if (emu_nid_to_phys[i] != NUMA_NO_NODE) { - dfl_phys_nid = emu_nid_to_phys[i]; - break; + max_emu_nid = i; + if (dfl_phys_nid == NUMA_NO_NODE) + dfl_phys_nid = emu_nid_to_phys[i]; } } if (dfl_phys_nid == NUMA_NO_NODE) { @@ -393,14 +398,10 @@ void __init numa_emulation(struct numa_meminfo *numa_meminfo, int numa_dist_cnt) if (emu_nid_to_phys[i] == NUMA_NO_NODE) emu_nid_to_phys[i] = dfl_phys_nid; - /* - * Transform distance table. numa_set_distance() ignores all - * out-of-bound distances. Just call it for every possible node - * combination. - */ + /* transform distance table */ numa_reset_distance(); - for (i = 0; i < MAX_NUMNODES; i++) { - for (j = 0; j < MAX_NUMNODES; j++) { + for (i = 0; i < max_emu_nid + 1; i++) { + for (j = 0; j < max_emu_nid + 1; j++) { int physi = emu_nid_to_phys[i]; int physj = emu_nid_to_phys[j]; int dist; |