1 files changed, 2 insertions, 2 deletions
diff --git a/lib/slab.c b/lib/slab.c
index 38d10626..cf2ecc70 100644
--- a/lib/slab.c
+++ b/lib/slab.c
@@ -197,7 +197,7 @@ static struct resclass sl_class = {
   slab_memsize
 };
 
-#define SL_GET_HEAD(x)	((struct sl_head *) (((uintptr_t) (x)) & ~(page_size-1)))
+#define SL_GET_HEAD(x)	PAGE_HEAD(x)
 
 #define SL_HEAD_CHANGE_STATE(_s, _h, _from, _to) ({ \
     ASSERT_DIE(_h->state == slh_##_from); \
@@ -236,7 +236,7 @@ sl_new(pool *p, uint size)
       + sizeof(u32) * s->head_bitfield_len
       + align - 1)
     / align * align;
-  } while (s->objs_per_slab * size + s->head_size > page_size);
+  } while (s->objs_per_slab * size + s->head_size > (size_t) page_size);
 
   if (!s->objs_per_slab)
     bug("Slab: object too large");