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[PATCH] NUMA: Add zone_to_nid function

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There are many places where we need to determine the node of a zone.
Currently we use a difficult to read sequence of pointer dereferencing.
Put that into an inline function and use throughout VM.  Maybe we can find
a way to optimize the lookup in the future.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Lameter
2006-09-25 23:31:55 -07:00
committed by Linus Torvalds
parent 4415cc8df6
commit 89fa30242f
9 changed files with 17 additions and 13 deletions
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2
arch/parisc/mm/init.c
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@@ -551,7 +551,7 @@ void show_mem(void)
printk("Zone list for zone %d on node %d: ", j, i);
for (k = 0; zl->zones[k] != NULL; k++)
printk("[%d/%s] ", zl->zones[k]->zone_pgdat->node_id, zl->zones[k]->name);
printk("[%d/%s] ", zone_to_nid(zl->zones[k]), zl->zones[k]->name);
printk("\n");
}
}