tune automove to required 2.5 pages of free chunks

if we're deciding to move pages right on the chunk boundary it's too easy to
cause flapping.

1 files changed, 1 insertions, 1 deletions

diff --git a/items.c b/items.c
index 98bebb0..685b06b 100644
--- a/items.c
+++ b/items.c
@@ -906,7 +906,7 @@ static int lru_maintainer_juggle(const int slabs_clsid) {
      * worth of chunks free in this class, ask (gently) to reassign a page
      * from this class back into the global pool (0)
      */
-    if (settings.slab_automove > 0 && chunks_free > (chunks_perslab * 2)) {
+    if (settings.slab_automove > 0 && chunks_free > (chunks_perslab * 2.5)) {
         slabs_reassign(slabs_clsid, SLAB_GLOBAL_PAGE_POOL);
     }