--- zzzz-none-000/linux-4.1.52/include/linux/sizes.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/sizes.h	2022-03-02 11:37:13.000000000 +0000
@@ -35,6 +35,8 @@
 #define SZ_4M				0x00400000
 #define SZ_8M				0x00800000
 #define SZ_16M				0x01000000
+#define SZ_20M				0x01400000
+#define SZ_24M				0x01800000
 #define SZ_32M				0x02000000
 #define SZ_64M				0x04000000
 #define SZ_128M				0x08000000