Reserved regions with direct mapping may contain references to other
regions. CMA region with fixed location is reserved without creating
kmemleak_object for it.
So add them as gray kmemleak objects.
Signed-off-by: Calvin Zhang <calvinzhang.cool@xxxxxxxxx>
---
drivers/of/fdt.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index bdca35284ceb..116c582fea7a 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -26,6 +26,7 @@
#include <linux/serial_core.h>
#include <linux/sysfs.h>
#include <linux/random.h>
+#include <linux/kmemleak.h>
#include <asm/setup.h> /* for COMMAND_LINE_SIZE */
#include <asm/page.h>
@@ -522,9 +523,12 @@ static int __init __reserved_mem_reserve_reg(unsigned long node,
size = dt_mem_next_cell(dt_root_size_cells, &prop);
if (size &&
- early_init_dt_reserve_memory_arch(base, size, nomap) == 0)
+ early_init_dt_reserve_memory_arch(base, size, nomap) == 0) {
pr_debug("Reserved memory: reserved region for node '%s': base %pa, size %lu MiB\n",
uname, &base, (unsigned long)(size / SZ_1M));
+ if (!nomap)
+ kmemleak_alloc_phys(base, size, 0, 0);
+ }
else
pr_info("Reserved memory: failed to reserve memory for node '%s': base %pa, size %lu MiB\n",
uname, &base, (unsigned long)(size / SZ_1M));
--
2.30.2
