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