summary refs log tree commit diff
path: root/lib
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-03-18 09:57:02 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-18 09:57:02 +0100
commit37ba317c9ed19eb126e40bbf563f2711e191a636 (patch)
treec5865768f341fc0ab41899fe9af9dc5918784cee /lib
parent708dc5125309cd33c5daaad3026cc4ae6ef39c8b (diff)
parentee568b25ee9e160b32d1aef73d8b2ee9c05d34db (diff)
downloadlinux-37ba317c9ed19eb126e40bbf563f2711e191a636.tar.gz
Merge branches 'sched/cleanups' and 'linus' into sched/core
Diffstat (limited to 'lib')
-rw-r--r--lib/bitmap.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 1338469ac849..35a1f7ff4149 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -948,15 +948,15 @@ done:
  */
 int bitmap_find_free_region(unsigned long *bitmap, int bits, int order)
 {
-	int pos;		/* scans bitmap by regions of size order */
+	int pos, end;		/* scans bitmap by regions of size order */
 
-	for (pos = 0; pos < bits; pos += (1 << order))
-		if (__reg_op(bitmap, pos, order, REG_OP_ISFREE))
-			break;
-	if (pos == bits)
-		return -ENOMEM;
-	__reg_op(bitmap, pos, order, REG_OP_ALLOC);
-	return pos;
+	for (pos = 0 ; (end = pos + (1 << order)) <= bits; pos = end) {
+		if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
+			continue;
+		__reg_op(bitmap, pos, order, REG_OP_ALLOC);
+		return pos;
+	}
+	return -ENOMEM;
 }
 EXPORT_SYMBOL(bitmap_find_free_region);