mm: use NUMA_NO_NODE

Make a sweep through mm/ and convert code that uses -1 directly to using
the more appropriate NUMA_NO_NODE.

Signed-off-by: David Rientjes <rientjes@google.com>
Reviewed-by: 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>

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 6049376c7226..bfa142e67b1c 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2376,7 +2376,7 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
         struct page *page;
         unsigned long _address;
         spinlock_t *ptl;
-        int node = -1;
+        int node = NUMA_NO_NODE;
 
         VM_BUG_ON(address & ~HPAGE_PMD_MASK);
 
@@ -2406,7 +2406,7 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
                  * be more sophisticated and look at more pages,
                  * but isn't for now.
                  */
-                if (node == -1)
+                if (node == NUMA_NO_NODE)
                         node = page_to_nid(page);
                 VM_BUG_ON(PageCompound(page));
                 if (!PageLRU(page) || PageLocked(page) || !PageAnon(page))