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| author | Christoph Lameter <clameter@sgi.com> | 2006-09-25 23:31:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 08:48:52 -0700 |
| commit | 89fa30242facca249aead2aac03c4c69764f911c (patch) | |
| tree | 1ac46b4777b819f2a4793d8e37330576ae5089ec /mm/hugetlb.c | |
| parent | 4415cc8df630b05d3a54267d5f3e5c0b63a4ec05 (diff) | |
| download | lwn-89fa30242facca249aead2aac03c4c69764f911c.tar.gz lwn-89fa30242facca249aead2aac03c4c69764f911c.zip | |
[PATCH] NUMA: Add zone_to_nid function
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>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 3aceadce1a76..7c7d03dbf73d 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -72,7 +72,7 @@ static struct page *dequeue_huge_page(struct vm_area_struct *vma, struct zone **z; for (z = zonelist->zones; *z; z++) { - nid = (*z)->zone_pgdat->node_id; + nid = zone_to_nid(*z); if (cpuset_zone_allowed(*z, GFP_HIGHUSER) && !list_empty(&hugepage_freelists[nid])) break; |