Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b159d43f authored by Andy Whitcroft's avatar Andy Whitcroft Committed by Linus Torvalds
Browse files

[PATCH] generify early_pfn_to_nid 



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: default avatarAndy Whitcroft <apw@shadowen.org>
Signed-off-by: default avatarDave Hansen <haveblue@us.ibm.com>
Signed-off-by: default avatarMartin Bligh <mbligh@aracnet.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 368a0a3a

arch/i386/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -810,6 +810,10 @@ 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

include/asm-i386/mmzone.h

+3 −0
Original line number Diff line number Diff line
@@ -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_ */

include/linux/mmzone.h

+4 −0
Original line number Diff line number Diff line
@@ -435,6 +435,10 @@ extern struct pglist_data contig_page_data; 


#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 */