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SUNRPC: Avoid digging into the ATOMIC pool

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Page allocation requests made when the SPARSE_PAGES flag is set are
allowed to fail, and are not critical. No need to spend a rare
resource.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2019-04-24 09:38:55 -04:00 committed by Anna Schumaker
parent ce96e888fe
commit 52db6f9a0c
2 changed files with 2 additions and 2 deletions
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2
net/sunrpc/socklib.c
View File

@ -106,7 +106,7 @@ xdr_partial_copy_from_skb(struct xdr_buf *xdr, unsigned int base, struct xdr_skb
/* ACL likes to be lazy in allocating pages - ACLs
* are small by default but can get huge. */
if ((xdr->flags & XDRBUF_SPARSE_PAGES) && *ppage == NULL) {
*ppage = alloc_page(GFP_ATOMIC);
*ppage = alloc_page(GFP_NOWAIT | __GFP_NOWARN);
if (unlikely(*ppage == NULL)) {
if (copied == 0)
copied = -ENOMEM;

2
net/sunrpc/xprtrdma/rpc_rdma.c
View File

@ -238,7 +238,7 @@ rpcrdma_convert_iovs(struct rpcrdma_xprt *r_xprt, struct xdr_buf *xdrbuf,
*/
if (unlikely(xdrbuf->flags & XDRBUF_SPARSE_PAGES)) {
if (!*ppages)
*ppages = alloc_page(GFP_ATOMIC);
*ppages = alloc_page(GFP_NOWAIT | __GFP_NOWARN);
if (!*ppages)
return -ENOBUFS;
}