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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-04-08 00:00:53 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-04-08 00:00:53 +0200 |
| commit | b678c91aefa7ce05a5d195e0a5c7a357b62d3283 (patch) | |
| tree | b7880634b8e07e9e1ed06140fce8ac3912e3ec69 /arch/x86/mm/numa.c | |
| parent | x86/espfix: Add support for 5-level paging (diff) | |
| download | linux-b678c91aefa7ce05a5d195e0a5c7a357b62d3283.tar.xz linux-b678c91aefa7ce05a5d195e0a5c7a357b62d3283.zip | |
Revert "x86/mm/numa: Remove numa_nodemask_from_meminfo()"
This reverts commit 474aeffd88b87746a75583f356183d5c6caa4213 due to testing
failures.
Reported-by: "Kirill A. Shutemov" <kirill@shutemov.name>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20170406124459.dwn5zhpr2xqg3lqm@node.shutemov.name
Diffstat (limited to 'arch/x86/mm/numa.c')
| -rw-r--r-- | arch/x86/mm/numa.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 175f54ac6772..93671d8b3b0d 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -314,6 +314,20 @@ int __init numa_cleanup_meminfo(struct numa_meminfo *mi) return 0; } +/* + * Set nodes, which have memory in @mi, in *@nodemask. + */ +static void __init numa_nodemask_from_meminfo(nodemask_t *nodemask, + const struct numa_meminfo *mi) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mi->blk); i++) + if (mi->blk[i].start != mi->blk[i].end && + mi->blk[i].nid != NUMA_NO_NODE) + node_set(mi->blk[i].nid, *nodemask); +} + /** * numa_reset_distance - Reset NUMA distance table * @@ -333,12 +347,16 @@ void __init numa_reset_distance(void) static int __init numa_alloc_distance(void) { + nodemask_t nodes_parsed; size_t size; int i, j, cnt = 0; u64 phys; /* size the new table and allocate it */ - for_each_node_mask(i, numa_nodes_parsed) + nodes_parsed = numa_nodes_parsed; + numa_nodemask_from_meminfo(&nodes_parsed, &numa_meminfo); + + for_each_node_mask(i, nodes_parsed) cnt = i; cnt++; size = cnt * cnt * sizeof(numa_distance[0]); @@ -517,6 +535,7 @@ static int __init numa_register_memblks(struct numa_meminfo *mi) /* Account for nodes with cpus and no memory */ node_possible_map = numa_nodes_parsed; + numa_nodemask_from_meminfo(&node_possible_map, mi); if (WARN_ON(nodes_empty(node_possible_map))) return -EINVAL; |