Just like this:
commit 620951e27457 ("mm/cma: make kmemleak ignore CMA regions").
Add kmemleak_ignore_phys() for CMA created from of reserved node.
Signed-off-by: Calvin Zhang <calvinzhang.cool@xxxxxxxxx>
---
kernel/dma/contiguous.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index 3d63d91cba5c..66bd9a59615e 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -50,6 +50,7 @@
#include <linux/sizes.h>
#include <linux/dma-map-ops.h>
#include <linux/cma.h>
+#include <linux/kmemleak.h>
#ifdef CONFIG_CMA_SIZE_MBYTES
#define CMA_SIZE_MBYTES CONFIG_CMA_SIZE_MBYTES
@@ -426,6 +427,9 @@ static int __init rmem_cma_setup(struct reserved_mem *rmem)
pr_err("Reserved memory: unable to setup CMA region\n");
return err;
}
+
+ kmemleak_ignore_phys(rmem->base);
+
/* Architecture specific contiguous memory fixup. */
dma_contiguous_early_fixup(rmem->base, rmem->size);
--
2.30.2
