[PATCH] mm/hugetlb: fix compile warning for !CONFIG_NUMA build

[Feng Tang]

Stephen Rothwell reported the i386 build with CONFIG_NUMA=n
will have a warning:

mm/hugetlb.c: In function 'dequeue_huge_page_vma':
mm/hugetlb.c:1180:1: warning: label 'check_reserve' defined but not used [-Wunused-label]
 1180 | check_reserve:
       | ^~~~~~~~~~~~~

introduced by commit
    df178183cf05 ("mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY")

Signed-off-by: Feng Tang <feng.tang@xxxxxxxxx>
---
 mm/hugetlb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index ae1a39e11bcf..528947da65c8 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1177,7 +1177,9 @@ static struct page *dequeue_huge_page_vma(struct hstate *h,
 #endif
 	page = dequeue_huge_page_nodemask(h, gfp_mask, nid, nodemask);
 
+#ifdef CONFIG_NUMA
 check_reserve:
+#endif
 	if (page && !avoid_reserve && vma_has_reserves(vma, chg)) {
 		SetHPageRestoreReserve(page);
 		h->resv_huge_pages--;
-- 
2.7.4


> -- 
> Cheers,
> Stephen Rothwell



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