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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:40 +0000
commit8b0a8165cdad0f4133837d753649ef4682e42c3b (patch)
tree5c58f869f31ddb1f7bd6e8bdea269b680b36c5b6 /drivers/acpi/numa/srat.c
parentReleasing progress-linux version 6.8.12-1~progress7.99u1. (diff)
downloadlinux-8b0a8165cdad0f4133837d753649ef4682e42c3b.tar.xz
linux-8b0a8165cdad0f4133837d753649ef4682e42c3b.zip
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/acpi/numa/srat.c')
-rw-r--r--drivers/acpi/numa/srat.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index 3ca22db3ed..3b09fd39ee 100644
--- a/drivers/acpi/numa/srat.c
+++ b/drivers/acpi/numa/srat.c
@@ -29,6 +29,8 @@ static int node_to_pxm_map[MAX_NUMNODES]
unsigned char acpi_srat_revision __initdata;
static int acpi_numa __initdata;
+static int last_real_pxm;
+
void __init disable_srat(void)
{
acpi_numa = -1;
@@ -541,6 +543,7 @@ int __init acpi_numa_init(void)
if (node_to_pxm_map[i] > fake_pxm)
fake_pxm = node_to_pxm_map[i];
}
+ last_real_pxm = fake_pxm;
fake_pxm++;
acpi_table_parse_cedt(ACPI_CEDT_TYPE_CFMWS, acpi_parse_cfmws,
&fake_pxm);
@@ -552,6 +555,14 @@ int __init acpi_numa_init(void)
return 0;
}
+bool acpi_node_backed_by_real_pxm(int nid)
+{
+ int pxm = node_to_pxm(nid);
+
+ return pxm <= last_real_pxm;
+}
+EXPORT_SYMBOL_GPL(acpi_node_backed_by_real_pxm);
+
static int acpi_get_pxm(acpi_handle h)
{
unsigned long long pxm;