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| author | Felix Fietkau <nbd@openwrt.org> | 2015-06-05 08:07:35 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2015-06-05 08:07:35 +0000 |
| commit | 5a64d5337bf497dc1676a188f863cbb9c9be74a5 (patch) | |
| tree | 6bdb3bc14a9af2f3f22e1987f8ff0bf146c1e05c /target/linux/generic/patches-4.0 | |
| parent | 69d79ea951f3f0fa56fecad0fbb04d2c65e7a802 (diff) | |
| download | upstream-5a64d5337bf497dc1676a188f863cbb9c9be74a5.tar.gz upstream-5a64d5337bf497dc1676a188f863cbb9c9be74a5.tar.bz2 upstream-5a64d5337bf497dc1676a188f863cbb9c9be74a5.zip | |
kernel: adjust mips highmem offset to avoid the need for -mlong-calls on systems with >256M RAM
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 45891
Diffstat (limited to 'target/linux/generic/patches-4.0')
| -rw-r--r-- | target/linux/generic/patches-4.0/307-mips_highmem_offset.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.0/307-mips_highmem_offset.patch b/target/linux/generic/patches-4.0/307-mips_highmem_offset.patch new file mode 100644 index 0000000000..c9f0c84e30 --- /dev/null +++ b/target/linux/generic/patches-4.0/307-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@openwrt.org> +--- +--- a/arch/mips/include/asm/mach-generic/spaces.h ++++ b/arch/mips/include/asm/mach-generic/spaces.h +@@ -44,7 +44,7 @@ + * 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 */ |