From d2421a82f6d8ad407d3f4acdbacedfb06d9f47f5 Mon Sep 17 00:00:00 2001
From: Mike Marciniszyn <mike.marciniszyn@intel.com>
Date: Sun, 14 Feb 2016 12:44:26 -0800
Subject: [PATCH] IB/rdmvt: close send engine struct holes

pahole noted the wasted 4 bytes after s_lock and r_lock.

Move s_flags and r_psn to fill the holes.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---
 include/rdma/rdmavt_qp.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index 933f14f92da6..5c307ed4d195 100644
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -283,12 +283,12 @@ struct rvt_qp {
 	struct rvt_sge_state s_rdma_read_sge;
 
 	spinlock_t r_lock ____cacheline_aligned_in_smp;      /* used for APM */
+	u32 r_psn;              /* expected rcv packet sequence number */
 	unsigned long r_aflags;
 	u64 r_wr_id;            /* ID for current receive WQE */
 	u32 r_ack_psn;          /* PSN for next ACK or atomic ACK */
 	u32 r_len;              /* total length of r_sge */
 	u32 r_rcv_len;          /* receive data len processed */
-	u32 r_psn;              /* expected rcv packet sequence number */
 	u32 r_msn;              /* message sequence number */
 
 	u8 r_state;             /* opcode of last packet received */
@@ -308,8 +308,8 @@ struct rvt_qp {
 	u32 s_ssn;              /* SSN of tail entry */
 
 	spinlock_t s_lock ____cacheline_aligned_in_smp;
-	struct rvt_sge_state *s_cur_sge;
 	u32 s_flags;
+	struct rvt_sge_state *s_cur_sge;
 	struct rvt_swqe *s_wqe;
 	struct rvt_sge_state s_sge;     /* current send request data */
 	struct rvt_mregion *s_rdma_mr;
-- 
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