slab: rename slab_break_gfp_order to slab_max_order
slab_break_gfp_order is more appropriately named slab_max_order since it
enforces the maximum order size of slabs as long as a single object will
still fit.
Also rename BREAK_GFP_ORDER_{LO,HI} accordingly.
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
diff --git a/mm/slab.c b/mm/slab.c
index 708efe8..1a482e8 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -481,9 +481,9 @@
/*
* Do not go above this order unless 0 objects fit into the slab.
*/
-#define BREAK_GFP_ORDER_HI 1
-#define BREAK_GFP_ORDER_LO 0
-static int slab_break_gfp_order = BREAK_GFP_ORDER_LO;
+#define SLAB_MAX_ORDER_HI 1
+#define SLAB_MAX_ORDER_LO 0
+static int slab_max_order = SLAB_MAX_ORDER_LO;
/*
* Functions for storing/retrieving the cachep and or slab from the page
@@ -1502,7 +1502,7 @@
* page orders on machines with more than 32MB of memory.
*/
if (totalram_pages > (32 << 20) >> PAGE_SHIFT)
- slab_break_gfp_order = BREAK_GFP_ORDER_HI;
+ slab_max_order = SLAB_MAX_ORDER_HI;
/* Bootstrap is tricky, because several objects are allocated
* from caches that do not exist yet:
@@ -2112,7 +2112,7 @@
* Large number of objects is good, but very large slabs are
* currently bad for the gfp()s.
*/
- if (gfporder >= slab_break_gfp_order)
+ if (gfporder >= slab_max_order)
break;
/*