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SUNRPC: Convert remaining GFP_NOIO, and GFP_NOWAIT sites in sunrpc

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Convert the remaining gfp_flags arguments in sunrpc to standard reclaiming
allocations, now that we set memalloc_nofs_save() as appropriate.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust
2019-03-02 10:14:02 -05:00
parent cefa587a40
commit 12a3ad6184
3 changed files with 5 additions and 8 deletions
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7
net/sunrpc/sched.c
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@@ -925,16 +925,13 @@ static void rpc_async_schedule(struct work_struct *work)
* Most requests are 'small' (under 2KiB) and can be serviced from a
* mempool, ensuring that NFS reads and writes can always proceed,
* and that there is good locality of reference for these buffers.
*
* In order to avoid memory starvation triggering more writebacks of
* NFS requests, we avoid using GFP_KERNEL.
*/
int rpc_malloc(struct rpc_task *task)
{
struct rpc_rqst *rqst = task->tk_rqstp;
size_t size = rqst->rq_callsize + rqst->rq_rcvsize;
struct rpc_buffer *buf;
gfp_t gfp = GFP_NOIO | __GFP_NOWARN;
gfp_t gfp = GFP_NOFS;
if (RPC_IS_SWAPPER(task))
gfp = __GFP_MEMALLOC | GFP_NOWAIT | __GFP_NOWARN;
@@ -1015,7 +1012,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
static struct rpc_task *
rpc_alloc_task(void)
{
return (struct rpc_task *)mempool_alloc(rpc_task_mempool, GFP_NOIO);
return (struct rpc_task *)mempool_alloc(rpc_task_mempool, GFP_NOFS);
}
/*