Provide a default implementation for early_pfn_to_nid returning
node 0. Allow architectures to override this with their own
implementation out of asm/mmzone.h.
Signed-off-by: Andy Whitcroft <[email protected]>
Signed-off-by: Dave Hansen <[email protected]>
Signed-off-by: Martin Bligh <[email protected]>
---
arch/i386/Kconfig | 4 ++++
include/asm-i386/mmzone.h | 3 +++
include/linux/mmzone.h | 4 ++++
3 files changed, 11 insertions(+)
diff -X /home/apw/brief/lib/vdiff.excl -rupN reference/arch/i386/Kconfig current/arch/i386/Kconfig
--- reference/arch/i386/Kconfig 2005-05-04 20:54:20.000000000 +0100
+++ current/arch/i386/Kconfig 2005-05-04 20:54:24.000000000 +0100
@@ -794,6 +794,10 @@ config HAVE_ARCH_ALLOC_REMAP
source "mm/Kconfig"
+config HAVE_ARCH_EARLY_PFN_TO_NID
+ bool
+ default y
+
config HIGHPTE
bool "Allocate 3rd-level pagetables from highmem"
depends on HIGHMEM4G || HIGHMEM64G
diff -X /home/apw/brief/lib/vdiff.excl -rupN reference/include/asm-i386/mmzone.h current/include/asm-i386/mmzone.h
--- reference/include/asm-i386/mmzone.h 2005-05-04 20:54:20.000000000 +0100
+++ current/include/asm-i386/mmzone.h 2005-05-04 20:54:24.000000000 +0100
@@ -143,4 +143,7 @@ static inline void get_memcfg_numa(void)
}
#endif /* CONFIG_DISCONTIGMEM */
+
+extern int early_pfn_to_nid(unsigned long pfn);
+
#endif /* _ASM_MMZONE_H_ */
diff -X /home/apw/brief/lib/vdiff.excl -rupN reference/include/linux/mmzone.h current/include/linux/mmzone.h
--- reference/include/linux/mmzone.h 2005-05-04 20:54:21.000000000 +0100
+++ current/include/linux/mmzone.h 2005-05-04 20:54:24.000000000 +0100
@@ -418,6 +418,10 @@ extern struct pglist_data contig_page_da
#endif
+#ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
+#define early_pfn_to_nid(nid) (0UL)
+#endif
+
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _LINUX_MMZONE_H */
-
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