Patch "IB/rdmavt: Allocate CQ memory on the correct node" has been added to the 4.14-stable tree

This is a note to let you know that I've just added the patch titled

IB/rdmavt: Allocate CQ memory on the correct node

to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
ib-rdmavt-allocate-cq-memory-on-the-correct-node.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Mike Marciniszyn <[email protected]>
Date: Mon, 18 Dec 2017 19:57:06 -0800
Subject: IB/rdmavt: Allocate CQ memory on the correct node

From: Mike Marciniszyn <[email protected]>

[ Upstream commit db9a2c6f9b6196b889b98e961cb9a37617b11ccf ]

CQ allocation does not ensure that completion queue entries and the completion queue structure are allocated on the correct numa node.

Fix by allocating the rvt_cq and kernel CQ entries on the device node, leaving the user CQ entries on the default local node. Also ensure CQ resizes use the correct allocator when extending a CQ.

---
 drivers/infiniband/sw/rdmavt/cq.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

@@ -198,7 +198,7 @@ struct ib_cq *rvt_create_cq(struct ib_de
 		return ERR_PTR(-EINVAL);
 
 	/* Allocate the completion queue structure. */
-	cq = kzalloc(sizeof(*cq), GFP_KERNEL);
+	cq = kzalloc_node(sizeof(*cq), GFP_KERNEL, rdi->dparms.node);
 	if (!cq)
 		return ERR_PTR(-ENOMEM);
 

@@ -214,7 +214,9 @@ struct ib_cq *rvt_create_cq(struct ib_de
 		sz += sizeof(struct ib_uverbs_wc) * (entries + 1);
 	else
 		sz += sizeof(struct ib_wc) * (entries + 1);
-	wc = vmalloc_user(sz);
+	wc = udata ?
+		vmalloc_user(sz) :
+		vzalloc_node(sz, rdi->dparms.node);
 	if (!wc) {
 		ret = ERR_PTR(-ENOMEM);
 		goto bail_cq;

@@ -369,7 +371,9 @@ int rvt_resize_cq(struct ib_cq *ibcq, in
 		sz += sizeof(struct ib_uverbs_wc) * (cqe + 1);
 	else
 		sz += sizeof(struct ib_wc) * (cqe + 1);
-	wc = vmalloc_user(sz);
+	wc = udata ?
+		vmalloc_user(sz) :
+		vzalloc_node(sz, rdi->dparms.node);
 	if (!wc)
 		return -ENOMEM;
 

Patches currently in stable-queue which might be from [email protected] are

queue-4.14/ib-rdmavt-allocate-cq-memory-on-the-correct-node.patch