Merge tag 'memblock-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock updates from Mike Rapoport:

 - add test for memblock_alloc_node()

 - minor coding style fixes

 - add flags and nid info in memblock debugfs

* tag 'memblock-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  memblock: Update nid info in memblock debugfs
  memblock: Add flags and nid info in memblock debugfs
  Fix some coding style errors in memblock.c
  Add tests for memblock_alloc_node()
This commit is contained in:
Linus Torvalds
2023-06-29 23:21:20 -07:00
2 changed files with 69 additions and 5 deletions

View File

@@ -156,10 +156,10 @@ static __refdata struct memblock_type *memblock_memory = &memblock.memory;
} while (0)
static int memblock_debug __initdata_memblock;
static bool system_has_some_mirror __initdata_memblock = false;
static bool system_has_some_mirror __initdata_memblock;
static int memblock_can_resize __initdata_memblock;
static int memblock_memory_in_slab __initdata_memblock = 0;
static int memblock_reserved_in_slab __initdata_memblock = 0;
static int memblock_memory_in_slab __initdata_memblock;
static int memblock_reserved_in_slab __initdata_memblock;
static enum memblock_flags __init_memblock choose_memblock_flags(void)
{
@@ -2178,20 +2178,44 @@ void __init memblock_free_all(void)
}
#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_ARCH_KEEP_MEMBLOCK)
static const char * const flagname[] = {
[ilog2(MEMBLOCK_HOTPLUG)] = "HOTPLUG",
[ilog2(MEMBLOCK_MIRROR)] = "MIRROR",
[ilog2(MEMBLOCK_NOMAP)] = "NOMAP",
[ilog2(MEMBLOCK_DRIVER_MANAGED)] = "DRV_MNG",
};
static int memblock_debug_show(struct seq_file *m, void *private)
{
struct memblock_type *type = m->private;
struct memblock_region *reg;
int i;
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\n", &reg->base, &end);
seq_printf(m, "%pa..%pa ", &reg->base, &end);
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)) {
seq_printf(m, "%s\n", flagname[j]);
break;
}
}
if (j == count)
seq_printf(m, "%s\n", "UNKNOWN");
} else {
seq_printf(m, "%s\n", "NONE");
}
}
return 0;
}