aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/generic/patches-4.9/307-mips_highmem_offset.patch
diff options
context:
space:
mode:
authorFelix Fietkau <nbd@nbd.name>2017-01-27 14:32:10 +0100
committerFelix Fietkau <nbd@nbd.name>2017-02-04 20:28:14 +0100
commitf791fb4af45032a653ba7c850f4564923871cb16 (patch)
treec1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/307-mips_highmem_offset.patch
parent7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff)
downloadupstream-f791fb4af45032a653ba7c850f4564923871cb16.tar.gz
upstream-f791fb4af45032a653ba7c850f4564923871cb16.tar.bz2
upstream-f791fb4af45032a653ba7c850f4564923871cb16.zip
kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/307-mips_highmem_offset.patch')
-rw-r--r--target/linux/generic/patches-4.9/307-mips_highmem_offset.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/307-mips_highmem_offset.patch b/target/linux/generic/patches-4.9/307-mips_highmem_offset.patch
new file mode 100644
index 0000000000..d3425d6b2d
--- /dev/null
+++ b/target/linux/generic/patches-4.9/307-mips_highmem_offset.patch
@@ -0,0 +1,17 @@
+Adjust highmem offset to 0x10000000 to ensure that all kmalloc allocations
+stay within the same 256M boundary. This ensures that -mlong-calls is not
+needed on systems with more than 256M RAM.
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+--- a/arch/mips/include/asm/mach-generic/spaces.h
++++ b/arch/mips/include/asm/mach-generic/spaces.h
+@@ -46,7 +46,7 @@
+ * Memory above this physical address will be considered highmem.
+ */
+ #ifndef HIGHMEM_START
+-#define HIGHMEM_START _AC(0x20000000, UL)
++#define HIGHMEM_START _AC(0x10000000, UL)
+ #endif
+
+ #endif /* CONFIG_32BIT */