Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH v4 13/14] rxrpc: Prepare to remove VLA usage for SKCIPHER_REQUEST_ON_STACK | Date | Thu, 12 Jul 2018 23:05:20 +0100 |
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Arnd Bergmann <arnd@arndb.de> wrote:
> From what I can tell, neither of the two are called in atomic context, so > you should be able to use a GFP_KERNEL allocation.
You need to be careful doing that since the allocation might happen in the AFS writeback path. I use GFP_NOIO or GFP_NOFS in rxkad.c and skb_cow_data() uses GFP_ATOMIC - though we should have single ownership of the packet at this point.
David
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