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authorIngo Molnar <mingo@elte.hu>2009-03-13 01:29:58 -0400
committerIngo Molnar <mingo@elte.hu>2009-03-13 01:29:58 -0400
commit7afe16c2bbf065e30d692423ad2c7e77c4cfe9a5 (patch)
tree1a6b4e6a3ccbd5dcd462f1eaa05e349e9c9945f9 /lib
parent2084e0225ed14cc1959c8aa703a3870c95fde4ab (diff)
parent041b62374c7fedc11a8a1eeda2868612d3d1436c (diff)
Merge commit 'v2.6.29-rc8' into tracing/ftrace
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:
948 */ 948 */
949int bitmap_find_free_region(unsigned long *bitmap, int bits, int order) 949int bitmap_find_free_region(unsigned long *bitmap, int bits, int order)
950{ 950{
951 int pos; /* scans bitmap by regions of size order */ 951 int pos, end; /* scans bitmap by regions of size order */
952 952
953 for (pos = 0; pos < bits; pos += (1 << order)) 953 for (pos = 0 ; (end = pos + (1 << order)) <= bits; pos = end) {
954 if (__reg_op(bitmap, pos, order, REG_OP_ISFREE)) 954 if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
955 break; 955 continue;
956 if (pos == bits) 956 __reg_op(bitmap, pos, order, REG_OP_ALLOC);
957 return -ENOMEM; 957 return pos;
958 __reg_op(bitmap, pos, order, REG_OP_ALLOC); 958 }
959 return pos; 959 return -ENOMEM;
960} 960}
961EXPORT_SYMBOL(bitmap_find_free_region); 961EXPORT_SYMBOL(bitmap_find_free_region);
962 962