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memblock: Update nid info in memblock debugfs

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The node id for memblock reserved regions will be wrong,
so let's show 'x' for reg->nid == MAX_NUMNODES in debugfs to keep it align.

Suggested-by: Mike Rapoport (IBM) <rppt@kernel.org>
Co-developed-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Yuwei Guan <ssawgyw@gmail.com>
Link: https://lore.kernel.org/r/20230601133149.37160-1-ssawgyw@gmail.com
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
This commit is contained in:
Yuwei Guan 2023-06-01 21:31:49 +08:00 committed by Mike Rapoport (IBM)
parent 493f349e38
commit de649e7f5e
1 changed files with 6 additions and 2 deletions
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8
mm/memblock.c
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@ -2169,17 +2169,21 @@ static int memblock_debug_show(struct seq_file *m, void *private)
{
struct memblock_type *type = m->private;
struct memblock_region *reg;
int i, j;
int i, j, nid;
unsigned int count = ARRAY_SIZE(flagname);
phys_addr_t end;
for (i = 0; i < type->cnt; i++) {
reg = &type->regions[i];
end = reg->base + reg->size - 1;
nid = memblock_get_region_node(reg);
seq_printf(m, "%4d: ", i);
seq_printf(m, "%pa..%pa ", &reg->base, &end);
seq_printf(m, "%4d ", memblock_get_region_node(reg));
if (nid != MAX_NUMNODES)
seq_printf(m, "%4d ", nid);
else
seq_printf(m, "%4c ", 'x');
if (reg->flags) {
for (j = 0; j < count; j++) {
if (reg->flags & (1U << j)) {