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archive/target/linux/generic/patches-4.4/307-mips_highmem_offset.patch
Felix Fietkau b0684dafa3 treewide: fix replace nbd@openwrt.org with nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>

SVN-Revision: 49379
2016-06-07 06:59:36 +00:00

18 lines
579 B
Diff

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
@@ -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 */