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numa: convert static memory to dynamically allocated memory for per node device

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We use a static array to store struct node.  In many cases, we don't have
too many nodes, and some memory will be unused.  Convert it to per-device
dynamically allocated memory.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wen Congyang
2012-12-11 16:00:56 -08:00
committed by Linus Torvalds
parent 97d0da2204
commit 8732794b16
4 changed files with 27 additions and 21 deletions
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2
include/linux/node.h
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@@ -27,7 +27,7 @@ struct node {
};
struct memory_block;
extern struct node node_devices[];
extern struct node *node_devices[];
typedef void (*node_registration_func_t)(struct node *);
extern int register_node(struct node *, int, struct node *);