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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-03-25 18:31:35 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-03-25 18:31:35 +0000
commit8937b7349ca9e25a02b2a72ccb7fba404ddedc5b (patch)
tree434ffe23d318f8af55850a26c3431ce8b82ab6f4 /lib
parent997302259f386bca8fe1db67c50296ca426c438f (diff)
parentffe7f95bb1a4d1e9ca5d252445dc38476e1a208e (diff)
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel
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);