Commit f9872caf authored by Cody P Schafer's avatar Cody P Schafer Committed by Linus Torvalds
Browse files

page_alloc: make setup_nr_node_ids() usable for arch init code 



powerpc and x86 were opencoding copies of setup_nr_node_ids(), which
page_alloc provides but makes static.  Make it avaliable to the archs in
linux/mm.h.

Signed-off-by: default avatarCody P Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7c243c71

include/linux/mm.h

+6 −0
Original line number Diff line number Diff line
@@ -1816,5 +1816,11 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; } 
static inline bool page_is_guard(struct page *page) { return false; }

#endif /* CONFIG_DEBUG_PAGEALLOC */



#if MAX_NUMNODES > 1

void __init setup_nr_node_ids(void);

#else

static inline void setup_nr_node_ids(void) {}

#endif



#endif /* __KERNEL__ */

#endif /* _LINUX_MM_H */

mm/page_alloc.c

+1 −5
Original line number Diff line number Diff line
@@ -4749,7 +4749,7 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size, 
/*

 * Figure out the number of possible node ids.

 */

static void __init setup_nr_node_ids(void)

void __init setup_nr_node_ids(void)

{

	unsigned int node;

	unsigned int highest = 0;
@@ -4758,10 +4758,6 @@ static void __init setup_nr_node_ids(void) 
		highest = node;

	nr_node_ids = highest + 1;

}

#else

static inline void setup_nr_node_ids(void)

{

}

#endif



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