diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2022-09-23 09:06:37 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2022-10-05 15:47:17 -0400 |
| commit | f20f18c95630e9b53f5081fd5df3bb705c450bbe (patch) | |
| tree | 3d9b8aa2ec35f8f645e5acc1bf6011807c6d56c0 | |
| parent | 9c8f332fbf995dc1d4d30a973d7ad6e1adb56437 (diff) | |
xprtrdma: Prevent memory allocations from driving a reclaim
Many memory allocations that xprtrdma does can fail safely. Let's
use this fact to avoid some potential deadlocks: Replace GFP_KERNEL
with GFP flags that do not try hard to acquire memory.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
| -rw-r--r-- | net/sunrpc/xprtrdma/verbs.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 7ca58cb65e27..44b87e4274b4 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -811,7 +811,7 @@ struct rpcrdma_req *rpcrdma_req_create(struct rpcrdma_xprt *r_xprt, struct rpcrdma_buffer *buffer = &r_xprt->rx_buf; struct rpcrdma_req *req; - req = kzalloc(sizeof(*req), GFP_KERNEL); + req = kzalloc(sizeof(*req), XPRTRDMA_GFP_FLAGS); if (req == NULL) goto out1; @@ -926,7 +926,7 @@ struct rpcrdma_rep *rpcrdma_rep_create(struct rpcrdma_xprt *r_xprt, struct rpcrdma_buffer *buf = &r_xprt->rx_buf; struct rpcrdma_rep *rep; - rep = kzalloc(sizeof(*rep), GFP_KERNEL); + rep = kzalloc(sizeof(*rep), XPRTRDMA_GFP_FLAGS); if (rep == NULL) goto out; @@ -1236,10 +1236,10 @@ rpcrdma_regbuf_alloc(size_t size, enum dma_data_direction direction) { struct rpcrdma_regbuf *rb; - rb = kmalloc(sizeof(*rb), GFP_KERNEL); + rb = kmalloc(sizeof(*rb), XPRTRDMA_GFP_FLAGS); if (!rb) return NULL; - rb->rg_data = kmalloc(size, GFP_KERNEL); + rb->rg_data = kmalloc(size, XPRTRDMA_GFP_FLAGS); if (!rb->rg_data) { kfree(rb); return NULL; |