bpf: stream: start using kmalloc_nolock() #6205
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BPF stream kfuncs need to be non-sleeping as they can be called from programs running in any context, this requires a way to allocate memory from any context. Currently, this is done by a custom per-CPU NMI-safe bump allocation mechanism, backed by try_alloc_pages() and free_pages_nolock() primitives. As kmalloc_nolock() and kfree_nolock() primitives are available now, the custom allocator can be removed in favor of these. Signed-off-by: Puranjay Mohan <[email protected]> Acked-by: Kumar Kartikeya Dwivedi <[email protected]>
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At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=1015112 irrelevant now. Closing PR. |
Pull request for series with
subject: bpf: stream: start using kmalloc_nolock()
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=1015112