diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-03-26 18:29:40 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-03-26 18:29:40 +0100 |
commit | 5a54bd1307471c1cd0521402fe65e2057edcab2f (patch) | |
tree | 25fb6a543db4ccc11b6d5662ed2e7facfce39ae7 /lib/bitmap.c | |
parent | f9f35677d81adb0feedcd6e0e661784805c8facd (diff) | |
parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) |
Merge commit 'v2.6.29' into core/header-fixes
Diffstat (limited to 'lib/bitmap.c')
-rw-r--r-- | lib/bitmap.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/lib/bitmap.c b/lib/bitmap.c index 1338469ac84..35a1f7ff414 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); |