Signed-off-by: Tony Breeds <[EMAIL PROTECTED]>
---
This didn't get musch feedback the first time I posted it, so it's either
perfect ;P or it got missed.
arch/powerpc/kernel/vmlinux.lds.S | 6 ++++++
include/asm-powerpc/cache.h | 2 ++
2 files changed, 8 insertions(+)
Index: working/arch/powerpc/kernel/vmlinux.lds.S
===================================================================
--- working.orig/arch/powerpc/kernel/vmlinux.lds.S
+++ working/arch/powerpc/kernel/vmlinux.lds.S
@@ -7,6 +7,7 @@
#define PROVIDE32(x) PROVIDE(x)
#endif
#include <asm-generic/vmlinux.lds.h>
+#include <asm/cache.h>
ENTRY(_stext)
@@ -211,6 +212,11 @@ SECTIONS
*(.data.cacheline_aligned)
}
+ . = ALIGN(L1_CACHE_BYTES);
+ .data.read_mostly : {
+ *(.data.read_mostly)
+ }
+
. = ALIGN(PAGE_SIZE);
__data_nosave : {
__nosave_begin = .;
Index: working/include/asm-powerpc/cache.h
===================================================================
--- working.orig/include/asm-powerpc/cache.h
+++ working/include/asm-powerpc/cache.h
@@ -34,5 +34,9 @@ struct ppc64_caches {
extern struct ppc64_caches ppc64_caches;
#endif /* __powerpc64__ && ! __ASSEMBLY__ */
+#if !defined(__ASSEMBLY__)
+#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+#endif
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_CACHE_H */
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