---

yaml --- r: 289189 b: refs/heads/master c: 84d4faa h: refs/heads/master i: 289187: 36a3381 v: v3
git-mirror · Mar 7, 2012 · 43e3d9e · 43e3d9e
1 parent 4f08bbf
commit 43e3d9e
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Showing 3 changed files with 9 additions and 8 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: aafefe932a46f7d0a85b6c48e71befd1003d1e6b
+refs/heads/master: 84d4faaba27991bde9fa5ec0716d14ad279ba8ab
diff --git a/trunk/drivers/staging/zsmalloc/zsmalloc-main.c b/trunk/drivers/staging/zsmalloc/zsmalloc-main.c
@@ -186,7 +186,7 @@ static int get_zspage_order(int class_size)
 	/* zspage order which gives maximum used size per KB */
 	int max_usedpc_order = 1;
 
-	for (i = 1; i <= max_zspage_order; i++) {
+	for (i = 1; i <= ZS_MAX_PAGES_PER_ZSPAGE; i++) {
 		int zspage_size;
 		int waste, usedpc;
 

diff --git a/trunk/drivers/staging/zsmalloc/zsmalloc_int.h b/trunk/drivers/staging/zsmalloc/zsmalloc_int.h
@@ -25,6 +25,13 @@
  */
 #define ZS_ALIGN		8
 
+/*
+ * A single 'zspage' is composed of up to 2^N discontiguous 0-order (single)
+ * pages. ZS_MAX_ZSPAGE_ORDER defines upper limit on N.
+ */
+#define ZS_MAX_ZSPAGE_ORDER 2
+#define ZS_MAX_PAGES_PER_ZSPAGE (_AC(1, UL) << ZS_MAX_ZSPAGE_ORDER)
+
 /*
  * Object location (<PFN>, <obj_idx>) is encoded as
  * as single (void *) handle value.
@@ -58,12 +65,6 @@
 #define ZS_SIZE_CLASSES		((ZS_MAX_ALLOC_SIZE - ZS_MIN_ALLOC_SIZE) / \
 					ZS_SIZE_CLASS_DELTA + 1)
 
-/*
- * A single 'zspage' is composed of N discontiguous 0-order (single) pages.
- * This defines upper limit on N.
- */
-static const int max_zspage_order = 4;
-
 /*
  * We do not maintain any list for completely empty or full pages
  */