ksm-introduce-ksm_max_page_sharing-per-page-deduplication-limit-fix-2

fix non-NUMA build

Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/ksm.c b/mm/ksm.c
index a8d15eb0ec48c088bc888d392eccdadf620e8733..9df540adfd4434d83b8cbb5c4a0058382b7d52e6 100644 (file)
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -557,7 +557,7 @@ static struct stable_node *alloc_stable_node_chain(struct stable_node *dup,
                INIT_HLIST_HEAD(&chain->hlist);
                chain->chain_prune_time = jiffies;
                chain->rmap_hlist_len = STABLE_NODE_CHAIN;
-#ifdef CONFIG_DEBUG_VM
+#if defined (CONFIG_DEBUG_VM) && defined(CONFIG_NUMA)
                chain->nid = -1; /* debug */
 #endif
                ksm_stable_node_chains++;