diff --git a/target/linux/mvebu/image/cortexa9.mk b/target/linux/mvebu/image/cortexa9.mk
index 3d398800a3..ae233a550f 100644
--- a/target/linux/mvebu/image/cortexa9.mk
+++ b/target/linux/mvebu/image/cortexa9.mk
@@ -107,7 +107,7 @@ define Device/linksys_wrt1900ac-v1
   DEVICE_ALT0_MODEL := Mamba
   DEVICE_DTS := armada-xp-linksys-mamba
   DEVICE_PACKAGES += mwlwifi-firmware-88w8864
-  KERNEL_SIZE := 3072k
+  KERNEL_SIZE := 4096k
   SUPPORTED_DEVICES += armada-xp-linksys-mamba linksys,mamba
   DEFAULT := n
 endef
diff --git a/target/linux/mvebu/patches-5.10/316-armada-xp-linksys-mamba-resize-kernel.patch b/target/linux/mvebu/patches-5.10/316-armada-xp-linksys-mamba-resize-kernel.patch
new file mode 100644
index 0000000000..f1fddceff4
--- /dev/null
+++ b/target/linux/mvebu/patches-5.10/316-armada-xp-linksys-mamba-resize-kernel.patch
@@ -0,0 +1,37 @@
+From 258233f00bcd013050efee00c5d9128ef8cd62dd Mon Sep 17 00:00:00 2001
+From: Tad <tad@spotco.us>
+Date: Fri, 5 Feb 2021 22:32:11 -0500
+Subject: [PATCH] ARM: dts: armada-xp-linksys-mamba: Increase kernel
+ partition to 4MB
+
+Signed-off-by: Tad Davanzo <tad@spotco.us>
+---
+ arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
++++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+@@ -456,9 +456,9 @@
+ 				reg = <0xa00000 0x2800000>;  /* 40MB */
+ 			};
+ 
+-			partition@d00000 {
++			partition@e00000 {
+ 				label = "rootfs1";
+-				reg = <0xd00000 0x2500000>;  /* 37MB */
++				reg = <0xe00000 0x2400000>;  /* 36MB */
+ 			};
+ 
+ 			/* kernel2 overlaps with rootfs2 by design */
+@@ -467,9 +467,9 @@
+ 				reg = <0x3200000 0x2800000>; /* 40MB */
+ 			};
+ 
+-			partition@3500000 {
++			partition@3600000 {
+ 				label = "rootfs2";
+-				reg = <0x3500000 0x2500000>; /* 37MB */
++				reg = <0x3600000 0x2400000>; /* 36MB */
+ 			};
+ 
+ 			/*
diff --git a/target/linux/mvebu/patches-5.4/318-armada-xp-linksys-mamba-resize-kernel.patch b/target/linux/mvebu/patches-5.4/318-armada-xp-linksys-mamba-resize-kernel.patch
new file mode 100644
index 0000000000..f1fddceff4
--- /dev/null
+++ b/target/linux/mvebu/patches-5.4/318-armada-xp-linksys-mamba-resize-kernel.patch
@@ -0,0 +1,37 @@
+From 258233f00bcd013050efee00c5d9128ef8cd62dd Mon Sep 17 00:00:00 2001
+From: Tad <tad@spotco.us>
+Date: Fri, 5 Feb 2021 22:32:11 -0500
+Subject: [PATCH] ARM: dts: armada-xp-linksys-mamba: Increase kernel
+ partition to 4MB
+
+Signed-off-by: Tad Davanzo <tad@spotco.us>
+---
+ arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
++++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+@@ -456,9 +456,9 @@
+ 				reg = <0xa00000 0x2800000>;  /* 40MB */
+ 			};
+ 
+-			partition@d00000 {
++			partition@e00000 {
+ 				label = "rootfs1";
+-				reg = <0xd00000 0x2500000>;  /* 37MB */
++				reg = <0xe00000 0x2400000>;  /* 36MB */
+ 			};
+ 
+ 			/* kernel2 overlaps with rootfs2 by design */
+@@ -467,9 +467,9 @@
+ 				reg = <0x3200000 0x2800000>; /* 40MB */
+ 			};
+ 
+-			partition@3500000 {
++			partition@3600000 {
+ 				label = "rootfs2";
+-				reg = <0x3500000 0x2500000>; /* 37MB */
++				reg = <0x3600000 0x2400000>; /* 36MB */
+ 			};
+ 
+ 			/*