Quoting r. zhu shi song <[EMAIL PROTECTED]>:
> Subject: Re: why sdp connections cost so much memory
>
> I have changed SDP_RX_SIZE from 0x40 to 1 and rebuilt
> ib_sdp.ko. But kernel always crashed.
Weird. How about this patch:
diff --git a/drivers/infiniband/ulp/sdp/sdp_bcopy.c
b/drivers/infiniband/ulp/sdp/sdp_bcopy.c
index c35a4da..2fd79a0 100644
--- a/drivers/infiniband/ulp/sdp/sdp_bcopy.c
+++ b/drivers/infiniband/ulp/sdp/sdp_bcopy.c
@@ -234,7 +234,7 @@ void sdp_post_recvs(struct sdp_sock *ssk
while ((likely(ssk->rx_head - ssk->rx_tail < SDP_RX_SIZE) &&
(ssk->rx_head - ssk->rx_tail - SDP_MIN_BUFS) *
SDP_MAX_SEND_SKB_FRAGS * PAGE_SIZE + rmem <
- ssk->isk.sk.sk_rcvbuf * 0x10) ||
+ ssk->isk.sk.sk_rcvbuf) ||
unlikely(ssk->rx_head - ssk->rx_tail < SDP_MIN_BUFS))
sdp_post_recv(ssk);
}
--
MST
_______________________________________________
openib-general mailing list
[email protected]
http://openib.org/mailman/listinfo/openib-general
To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
