* [PATCH] sctp: use bitmap_weight
@ 2012-11-17 6:39 Akinobu Mita
2012-11-18 1:45 ` Vlad Yasevich
0 siblings, 1 reply; 3+ messages in thread
From: Akinobu Mita @ 2012-11-17 6:39 UTC (permalink / raw)
To: linux-sctp; +Cc: Akinobu Mita, Vlad Yasevich, Sridhar Samudrala, netdev
Use bitmap_weight to count the total number of bits set in bitmap.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Vlad Yasevich <vyasevich@gmail.com>
Cc: Sridhar Samudrala <sri@us.ibm.com>
Cc: linux-sctp@vger.kernel.org
Cc: netdev@vger.kernel.org
---
net/sctp/tsnmap.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c
index b5fb7c4..5f25e0c 100644
--- a/net/sctp/tsnmap.c
+++ b/net/sctp/tsnmap.c
@@ -272,7 +272,7 @@ __u16 sctp_tsnmap_pending(struct sctp_tsnmap *map)
__u32 max_tsn = map->max_tsn_seen;
__u32 base_tsn = map->base_tsn;
__u16 pending_data;
- u32 gap, i;
+ u32 gap;
pending_data = max_tsn - cum_tsn;
gap = max_tsn - base_tsn;
@@ -280,11 +280,7 @@ __u16 sctp_tsnmap_pending(struct sctp_tsnmap *map)
if (gap = 0 || gap >= map->len)
goto out;
- for (i = 0; i < gap+1; i++) {
- if (test_bit(i, map->tsn_map))
- pending_data--;
- }
-
+ pending_data -= bitmap_weight(map->tsn_map, gap + 1);
out:
return pending_data;
}
--
1.7.11.7
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] sctp: use bitmap_weight
2012-11-17 6:39 [PATCH] sctp: use bitmap_weight Akinobu Mita
@ 2012-11-18 1:45 ` Vlad Yasevich
2012-11-18 3:01 ` David Miller
0 siblings, 1 reply; 3+ messages in thread
From: Vlad Yasevich @ 2012-11-18 1:45 UTC (permalink / raw)
To: Akinobu Mita; +Cc: linux-sctp, Sridhar Samudrala, netdev
On 11/17/2012 01:39 AM, Akinobu Mita wrote:
> Use bitmap_weight to count the total number of bits set in bitmap.
>
> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
> Cc: Vlad Yasevich <vyasevich@gmail.com>
> Cc: Sridhar Samudrala <sri@us.ibm.com>
> Cc: linux-sctp@vger.kernel.org
> Cc: netdev@vger.kernel.org
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
-vlad
> ---
> net/sctp/tsnmap.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c
> index b5fb7c4..5f25e0c 100644
> --- a/net/sctp/tsnmap.c
> +++ b/net/sctp/tsnmap.c
> @@ -272,7 +272,7 @@ __u16 sctp_tsnmap_pending(struct sctp_tsnmap *map)
> __u32 max_tsn = map->max_tsn_seen;
> __u32 base_tsn = map->base_tsn;
> __u16 pending_data;
> - u32 gap, i;
> + u32 gap;
>
> pending_data = max_tsn - cum_tsn;
> gap = max_tsn - base_tsn;
> @@ -280,11 +280,7 @@ __u16 sctp_tsnmap_pending(struct sctp_tsnmap *map)
> if (gap = 0 || gap >= map->len)
> goto out;
>
> - for (i = 0; i < gap+1; i++) {
> - if (test_bit(i, map->tsn_map))
> - pending_data--;
> - }
> -
> + pending_data -= bitmap_weight(map->tsn_map, gap + 1);
> out:
> return pending_data;
> }
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] sctp: use bitmap_weight
2012-11-18 1:45 ` Vlad Yasevich
@ 2012-11-18 3:01 ` David Miller
0 siblings, 0 replies; 3+ messages in thread
From: David Miller @ 2012-11-18 3:01 UTC (permalink / raw)
To: vyasevich; +Cc: akinobu.mita, linux-sctp, sri, netdev
From: Vlad Yasevich <vyasevich@gmail.com>
Date: Sat, 17 Nov 2012 20:45:19 -0500
> On 11/17/2012 01:39 AM, Akinobu Mita wrote:
>> Use bitmap_weight to count the total number of bits set in bitmap.
>>
>> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
>> Cc: Vlad Yasevich <vyasevich@gmail.com>
>> Cc: Sridhar Samudrala <sri@us.ibm.com>
>> Cc: linux-sctp@vger.kernel.org
>> Cc: netdev@vger.kernel.org
>
> Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Applied, thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2012-11-18 1:45 ` Vlad Yasevich
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