kernel: update kernel 3.18 to version 3.18.23
[openwrt/staging/chunkeey.git] / target / linux / generic / patches-3.18 / 307-mips_highmem_offset.patch
1 Adjust highmem offset to 0x10000000 to ensure that all kmalloc allocations
2 stay within the same 256M boundary. This ensures that -mlong-calls is not
3 needed on systems with more than 256M RAM.
4
5 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
6 ---
7 --- a/arch/mips/include/asm/mach-generic/spaces.h
8 +++ b/arch/mips/include/asm/mach-generic/spaces.h
9 @@ -44,7 +44,7 @@
10 * Memory above this physical address will be considered highmem.
11 */
12 #ifndef HIGHMEM_START
13 -#define HIGHMEM_START _AC(0x20000000, UL)
14 +#define HIGHMEM_START _AC(0x10000000, UL)
15 #endif
16
17 #endif /* CONFIG_32BIT */