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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 | 487a879e336bee1a3de273accf8cf6d78eaebf20 (patch) | |
| tree | 7fadc5f28e989447274e37829944c2d3ae7c798c /target/linux/generic/patches-3.18/307-mips_highmem_offset.patch | |
| parent | cf3625aba4910efa53d00eb81a20b7bbc8a6ea5f (diff) | |
| download | master-187ad058-487a879e336bee1a3de273accf8cf6d78eaebf20.tar.gz master-187ad058-487a879e336bee1a3de273accf8cf6d78eaebf20.tar.bz2 master-187ad058-487a879e336bee1a3de273accf8cf6d78eaebf20.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>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45891 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.18/307-mips_highmem_offset.patch')
| -rw-r--r-- | target/linux/generic/patches-3.18/307-mips_highmem_offset.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/307-mips_highmem_offset.patch b/target/linux/generic/patches-3.18/307-mips_highmem_offset.patch new file mode 100644 index 0000000000..c9f0c84e30 --- /dev/null +++ b/target/linux/generic/patches-3.18/307-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 */ |