diff options
| author |   David Howells <dhowells@redhat.com> | 2024-03-12 23:37:17 +0000 |
|---|---|---|
| committer |   Paolo Abeni <pabeni@redhat.com> | 2024-03-14 13:09:52 +0100 |
| commit | 6b2536462fd48b49563aef0555517cb91047c5f5 (patch) | |
| tree | c03f9186836b6a71cbb9c8c508953efbf1ee1f0c /net | |
| parent | hsr: Fix uninit-value access in hsr_get_node() (diff) | |
| download | wireguard-linux-6b2536462fd48b49563aef0555517cb91047c5f5.tar.xz wireguard-linux-6b2536462fd48b49563aef0555517cb91047c5f5.zip | |
rxrpc: Fix use of changed alignment param to page_frag_alloc_align()
Commit 411c5f36805c ("mm/page_alloc: modify page_frag_alloc_align() to
accept align as an argument") changed the way page_frag_alloc_align()
worked, but it didn't fix AF_RXRPC as that use of that allocator function
hadn't been merged yet at the time. Now, when the AFS filesystem is used,
this results in:
WARNING: CPU: 4 PID: 379 at include/linux/gfp.h:323 rxrpc_alloc_data_txbuf+0x9d/0x2b0 [rxrpc]
Fix this by using __page_frag_alloc_align() instead.
Note that it might be better to use an order-based alignment rather than a
mask-based alignment.
Fixes: 49489bb03a50 ("rxrpc: Do zerocopy using MSG_SPLICE_PAGES and page frags")
Signed-off-by: David Howells <dhowells@redhat.com>
Reported-by: Marc Dionne <marc.dionne@auristor.com>
cc: Yunsheng Lin <linyunsheng@huawei.com>
cc: Alexander Duyck <alexander.duyck@gmail.com>
cc: Michael S. Tsirkin <mst@redhat.com>
cc: "David S. Miller" <davem@davemloft.net>
cc: Eric Dumazet <edumazet@google.com>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/rxrpc/txbuf.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rxrpc/txbuf.c b/net/rxrpc/txbuf.c index b2a82ab756c2..e0679658d9de 100644 --- a/net/rxrpc/txbuf.c +++ b/net/rxrpc/txbuf.c @@ -33,8 +33,8 @@ struct rxrpc_txbuf *rxrpc_alloc_data_txbuf(struct rxrpc_call *call, size_t data_ total = hoff + sizeof(*whdr) + data_size; mutex_lock(&call->conn->tx_data_alloc_lock); - buf = page_frag_alloc_align(&call->conn->tx_data_alloc, total, gfp, - ~(data_align - 1) & ~(L1_CACHE_BYTES - 1)); + buf = __page_frag_alloc_align(&call->conn->tx_data_alloc, total, gfp, + ~(data_align - 1) & ~(L1_CACHE_BYTES - 1)); mutex_unlock(&call->conn->tx_data_alloc_lock); if (!buf) { kfree(txb); |