Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a2cb4a98f243d01f2c8d5799c764bb96ffa66c44
Commit: a2cb4a98f243d01f2c8d5799c764bb96ffa66c44
Parent: d998ccce020e2cfcf11c6b57503532930ede2894
Author: Roland Dreier <[EMAIL PROTECTED]>
AuthorDate: Tue May 29 16:07:09 2007 -0700
Committer: Roland Dreier <[EMAIL PROTECTED]>
CommitDate: Tue May 29 16:07:09 2007 -0700
IB/mlx4: Fix last allocated object tracking in bitmap allocator
Set last allocated object to the object after the one just allocated
before ORing in the extra top bits. Also handle the case where this
wraps around.
Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>
---
drivers/net/mlx4/alloc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c
index dfbd580..f8d63d3 100644
--- a/drivers/net/mlx4/alloc.c
+++ b/drivers/net/mlx4/alloc.c
@@ -51,8 +51,8 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap)
if (obj < bitmap->max) {
set_bit(obj, bitmap->table);
+ bitmap->last = (obj + 1) & (bitmap->max - 1);
obj |= bitmap->top;
- bitmap->last = obj + 1;
} else
obj = -1;
-
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