@@ -217,3 +217,4 @@ CONFIG_WATCHDOG_CORE=y
CONFIG_WEAK_ORDERING=y
CONFIG_XPS=y
CONFIG_ZONE_DMA_FLAG=0
+CONFIG_BOUNCE=y
new file mode 100644
@@ -0,0 +1,13 @@
+Index: linux-3.18.11/arch/mips/ralink/Kconfig
+===================================================================
+--- linux-3.18.11.orig/arch/mips/ralink/Kconfig 2015-04-28 17:30:50.631568808 +0800
++++ linux-3.18.11/arch/mips/ralink/Kconfig 2015-04-28 17:32:10.167567161 +0800
+@@ -46,6 +46,8 @@
+ select SYS_SUPPORTS_MULTITHREADING
+ select SYS_SUPPORTS_SMP
+ select SYS_SUPPORTS_MIPS_CMP
++ select SYS_SUPPORTS_HIGHMEM
++ select HIGHMEM
+ select IRQ_GIC
+ select HW_HAS_PCI
+
Signed-off-by: wengbj <fl.service@t-firefly.com> --- target/linux/ramips/mt7621/config-3.18 | 1 + .../0112-add-mt7621-support-high-memory.patch | 13 +++++++++++++ 2 files changed, 14 insertions(+) create mode 100644 target/linux/ramips/patches-3.18/0112-add-mt7621-support-high-memory.patch