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-rw-r--r--drivers/acpi/tables.c3
-rw-r--r--drivers/of/of_reserved_mem.c2
-rw-r--r--mm/memblock.c3
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index f9383736fa0f..71419eb16e09 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -21,6 +21,7 @@
#include <linux/earlycpio.h>
#include <linux/initrd.h>
#include <linux/security.h>
+#include <linux/kmemleak.h>
#include "internal.h"
#ifdef CONFIG_ACPI_CUSTOM_DSDT
@@ -601,6 +602,8 @@ void __init acpi_table_upgrade(void)
*/
arch_reserve_mem_area(acpi_tables_addr, all_tables_size);
+ kmemleak_ignore_phys(acpi_tables_addr);
+
/*
* early_ioremap only can remap 256k one time. If we map all
* tables one time, we will hit the limit. Need to map chunks
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 59c1390cdf42..9da8835ba5a5 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -21,6 +21,7 @@
#include <linux/sort.h>
#include <linux/slab.h>
#include <linux/memblock.h>
+#include <linux/kmemleak.h>
#include "of_private.h"
@@ -46,6 +47,7 @@ static int __init early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
err = memblock_mark_nomap(base, size);
if (err)
memblock_free(base, size);
+ kmemleak_ignore_phys(base);
}
return err;
diff --git a/mm/memblock.c b/mm/memblock.c
index 103b052c016e..5096500b2647 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -932,6 +932,9 @@ int __init_memblock memblock_mark_mirror(phys_addr_t base, phys_addr_t size)
* covered by the memory map. The struct page representing NOMAP memory
* frames in the memory map will be PageReserved()
*
+ * Note: if the memory being marked %MEMBLOCK_NOMAP was allocated from
+ * memblock, the caller must inform kmemleak to ignore that memory
+ *
* Return: 0 on success, -errno on failure.
*/
int __init_memblock memblock_mark_nomap(phys_addr_t base, phys_addr_t size)