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39b09a1a12
svc_rdma_post_recv() allocates pages for receive buffers on-demand. It uses GFP_KERNEL so the allocator tries hard, and may sleep. But I'm about to add a call to svc_rdma_post_recv() from a function that may not sleep. Since all svc_rdma_post_recv() call sites can tolerate its failure, allow it to fail if the page allocator returns nothing. Longer term, receive buffers, being a finite resource per-connection, should be pre-allocated and re-used. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Acked-by: Bruce Fields <bfields@fieldses.org> Signed-off-by: Doug Ledford <dledford@redhat.com> |
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